Summer, sunlight, sunburn… Few things are nicer in summer than to be outside on the beach and have exciting adventures with friends? Max and his friends tested this excessively and had a lot of fun. But now: their skin is burning! You want to know how this could happen? Then click on Episode 2 and read or hear more about Beach Robbers and Rednoses.
| Module Sunlight | |
| Episode 2 Beach robbers and rednoses |
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| Interactive Fit for summer? Virtual sunbathing |
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| Hints & Info Hints and information about sunlight and skin health |
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Beach robbers and rednoses
“… suddenly they stood in the forest. It was so dark that they couldn’t see their hands in front of their eyes, nor did they find any trace of the thieves. But suddenly a noise: rustling and the breaking of twigs. They heard the sound of heavy steps approaching them. Tom and Bastian held their breath…”
“Oh, this is all bullshit that I am writing, I don’t have any good ideas,” shouts Max and throws his pen into the white sand of the French bay.
“Oh come on, it’s not so bad,” Paolo tries to console him, “I really like it.”
“No,” Max replies, “How in heaven can I write something really exciting if I never experience any adventures?”
Paolo frowns. “Everybody has some adventures from time to time.”
“You maybe,” Max says frustrated. “You seem to have the words “adventure” and “super hero” written right there on your forehead. But I never have any adventures!” Natalya and Thelma are lying in the sun next to the two boys, listening with broad grins to their discussion.
“Hey, super hero, would you put some sun-protection cream on my back?” Thelma asks Paolo who can never refuse this pretty-eyed girl anything. “Sun-protection factor 50 – isn’t that a bit excesssive?” he asks, looking at the bottle.
“Not everyone wants to have leathery skin like you,” Thelma hisses. “No?” Paolo replies and winks provocatively at her, “Tell the truth – you find it cool, don’t you?” Thelma snatches the bottle out of his hands and gives it to Natalya. “Could you please, Natalya? I think this guy is too busy with other things. And maybe you want to put some of it on, too? I think your nose is looking a bit red already.”
Natalya takes the bottle. “No, thanks”, she says. ”I have already put some on,” she declines because she is afraid that the greasy cream might worsen her acne.
“Mon Dieu! Mon argent, mon portemonnaie…” cries an elderly lady who has just come back to her towel from swimming in the sea. The four young people in the sun rise startled from their towels. “What’s the matter?” asks Paolo who doesn’t speak any French. “She says that her purse with all her money is gone,” explains Max, to the admiration of his companions who hadn’t understood a word. “She thinks she has been robbed. There appears to be a thief who has been stealing on this beach for months.”
“Is that really true?” Natalya asks Max mockingly. “Or have you invented this so as to have a fine horror story to tell?” The others are laughing. “No, I am serious,” Max replies. “Come on, guys, it’s not nice to lose your money, you can’t earn it so easily. Maybe we could do something to catch the thief? And help the lady get her money back?”
The others look at each other. “Not bad”, Paolo says. “Let’s hear your strategy! Go ahead, and we’ll follow you!” Max, who has been standing in the sun, staring up and down the beach, jumps back under the umbrella. “No”, he stammers, “and anyway, I haven’t put on enough sun-protection cream.” Paolo frowns. “Why are you always talking about this bloody sun-protection cream? You are sissies…” This is something Max cannot put up with. He thinks a while and then jumps out from under the umbrella. “I have an idea!”
Max draws his battle plan in the white sand. The others gather around him and listen to his explanations. It is noon. The sun is at the highest position of the day, and the bodies of our four friends barely cast any shadows on the sand. Max talks and gesticulates, the others listen and nod their heads. When they have all understood the plan, they go into action. The girls pick up their airbeds and walk into the water. They act as the lure. The boys hide behind a nearby sand dune . They are in an ideal position to observe the girls and their abandoned bags, and to catch the thief as soon he tries to attack. Thelma and Natalya paddle merrily in the sea. They look so distracted that a thief would have it very easy.
Max and Paolo are lying behind the dunes in the full sun, sweating. Nothing happens. It’s very quiet around them. They stare intensely towards the towels. The heat shimmers upon the hot sand. After a while Natalya and Thelma get tired and return to their towels. Paolo and Max give up. Max’s back burns and is red as fire. Totally absorbed in his role as detective, he has completely forgotten the strength of the sun. Disappointed, they gather at their place again.
“That was not exactly a success,” Max says, his face glowing red. “Maybe we should come back tomorrow morning and try again. The thief will almost certainly attack again very soon.” Paolo agrees. “Yes, let’s go back to the camp. I have had enough, and I have a bad headache”, he says, sounding rather exhausted, which is unusual for him. When the four friends have packed their belongings and pass by the elderly lady, they see her playing quietly and happily with her small dog.
She smiles at them. “This mischievous little devil,” she says, waving her hand in the dog’s direction. “He scared me so much. Didn’t he go and pick up my purse and bury it in the sand like a bone? He is supposed to protect me and find things for me, not pilfer and hide things. I thought a thief had robbed me. But thank God he was so proud he had to show me what he had buried, and so I have my purse back now… What a mischievous little creature!” The lady looks very relieved.
“Oh man,” Paolo and Max moan in one voice. “We lay there in the full sun and the heat for hours, to become the heroes of the camp, and now we find that the thief was a little dachshund, and what do we get?”
“Impressive sunburn,” says Natalya whose nose has become so red that it will glow in the dark. Thelma shrugs and smiles a bit. “Guys, you didn’t want to listen. Sun protection-cream isn’t such a bad idea after all – not just for sissies, but also for superheroes and detectives!”
“But it’s no cure-all either,” giggles Natalya and points to Thelma’s face and shoulders that are very red as well. “Tomorrow we’ll do T-shirt day”, the friends decide, and for a change they all agree with each other.
Fit for summer? Virtual sunbathing
Thelma cautiously dabs her red face with a cooling cream. It’s a sunny morning, and it looks as it would become even hotter than yesterday – the day when the four of them caught sunburn because of this silly beach robber story. Thelma is annoyed and mumbles under her breath: "Why do I buy such expensive cream? And Paolo’s malicious grin… he may be red as well, but without having spent so much money for it…". Thelma thinks about what Paolo had said: "Sun protection factor 50?! Isn’t that a bit exaggerated?" "Bloody shit, what I look like – certainly everybody will say this is typical for an English girl…"
"Believe me, you can really get into problems if you believe what the advertisements say: sunbathing without remorse – you got to be kidding! Sunscreen is one thing, but who is as silly as I am and forgets that the sun is strongest around noon – oh my God! But it really is complicated – everybody has a different skin, and it depends where you are and when, and and and… But you don’t believe it before you tried it yourself – but below you can try this out without any danger, namely by means of a simulator… "
| The simulator opens in a new window. Thus you can always switch between this page and the simulator. Access the simulator! | ||
| For the simulator you need the Flash Player. Download the Flash-Player here. | ||
| Everything clear? No? Then read some helpful hints and information here. This will make it easy for you. The Hints and Info section also open in a new window. Thus you will have everything within your view! Press here for the Hints & Info section around sunlight and skin health! |
| The sun is the base of our existence. Without sunlight, there would be no life on our planet – no plants, no animals and no human beings. When, after a rainy or cold period, the first sunbeams meet our skin, we feel simply happy. The sun does our souls and our bodies well. It drives away blue feelings, makes the skin produce vitamin D and thus build up the bones, and it alleviates skin diseases. |
Skin forms a border between the internal body and the external world and protects us against various environmental factors, as for example against the ultraviolet (UV) radiation of the sun. In doing so, the skin can unfortunately sometimes suffer damages.
The radiation intensity of the sunlight is often underestimated, may it shine or be hidden behind clouds, and if you expose yourself to natural or to artificial UV light as for example in a solarium. The problem is - you can neither see nor immediately feel UV light. Too much of it is bad for the skin: it can cause sunburn, reactions of hypersensitivity and even skin ageing or skin cancer.
| More about ultraviolet (UV-) radiation. |
UV radiation
does have an impact on the skin. Its strength depends on the individual skin type which is genetically determined. Every person is different, and so is everybody’s skin. Geographical situation, altitude, weather, environment, season of the year, time of the day as well as intensity and duration of the sun bath play an important role in this.
But don’t worry: if you observe some rules, you will be able to enjoy the sun untroubled. One of the rules is, for example, to stay in the shadow during midday (between 10 am and 4 pm), as these are the hours when the UV values are highest. Another effective measure is to protect the skin with adequate clothing and sunscreen. Learn to assess your personal risk: Which skin type am I? How much sun can I endure without damage? Try to adapt “sun-wise” behaviour - it’s simply a question of attitude. If you are tanned, you are not automatically cool and good-looking. It’s much cooler to be healthy, and that means to have your own “natural tanning”.
| More about healthy sun pleasure. |
Skin fulfils a number of different functions in the human body. One of them is the protection against external environmental influences, for example against the ultraviolet (UV) radiation.
But what is UV radiation
exactly? Within this capter you will find all important information about UV radiation.
| UV radiation. Sunlight is composed of many different forms of light. Of these, only visible light, heat rays (infrared light) and UV light reach the surface of the Earth. UV light has an impact on our skin. It contains so much energy that it is able to enter the skin, while you can neither see nor feel them. More details about UV radiation... |
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UV radiation in detail Among UV radiation, we have to distinguish between
While UV C rays never reach the Earth as they are withheld by the ozone layer, UV A and UV B rays reach our planet and have an impact on our skin. They contain so much energy that they are able to enter the skin, while you can neither see nor feel them. UV B rays for example enter the upper skin layer (epidermis) where they cause tanning and sunburn. |
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UV A rays can penetrate into a deeper skin layer (dermis). They can cause skin ageing and the so-called “sun allergy”. For the development of skin cancer, both types of rays are responsible, UV B still more than UV A.
UV radiation can be of different intensity. This depends on the season and the daytime. In summer and around noon (between 10 am and 4 pm), it is usually especially strong.
The geographical situation and the altitude play an important role as well. Around the equator, the radiation is more intensive as it hits the Earth vertically. In the mountains and in clear air we get remarkable more UV radiation than in a valley.
Important is as well the surrounding in which we are exposed to the sunlight: snow, water and tarmac strongly reflect the UV light, and this is the reason why sunlight is so intensive on the beach, on the ski slope and when we are swimming in the water.
It’s unfortunately an error to think that a cloudy sky would keep the sunrays at bay. Clouds can weaken the intensity of the rays, but cannot completely stop them. In some exceptional cases they may even intensify the impact of the light.
The so-called UV index shows the intensity of the sunlight. |
It starts at 1 and ends at 10. The higher the index number, the higher is the intensity. And the higher the UV index is, the more important it is to apply sun protective measures. The UV index is often published together with the weather forecast in radio, television, newspapers and internet. The given number indicates the maximum intensity at noontime.
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As of an UV index of 3 it is recommended to protect one’s skin against the sun by using adequate clothing, sunscreen or simply by avoiding direct sunlight.
| Please check here for the UV index of the place where you live: http://www.epa.gov/sunwise/whereyoulive.html. |
Sunlight and warmth of the sun are, up to a certain level, healthy and make us feel well. Thus, the sun is generally good for humans.
But if the UV exposition exceeds a certain level – a level that may vary from individual to individual – the skin will suffer.
What exactly are the effects the sunlight has on us and our skin?
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This vitamin is very important for the human body: it is essential for the development of the bones. The body does not need large amounts of sunlight, however, to produce vitamin D: 10 to 15 minutes per day on face, arms and hands are sufficient, even with cloudy sky. |
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can be used therapeutically in various skin diseases. More... |
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UV radiation can be helpful in the treatment of various skin diseases when used systematically. This is called "phototherapy".
An adequate UV dose can improve eczema or psoriasis: the light reduces skin inflammations and alleviates or ends itching. It is essential that a doctor or dermatologist determines the adequate dosage of UV radiation.
Eczema
(also called atopic dermatitis or atopic eczema)
Eczema is a specific congenital form of eczema which reacts to specific triggers that do not play an important role in other forms of eczema. Secondly, eczema has also a lot to do with our mind. In eczema, all body regions and all ages can be affected. The inflammatory reactions are usually not based on an allergy but result from completely different causes. From its appearance, it is very difficult to distinguish between eczema and other forms of dermatitis (e. g. allergic contact dermatitis or irritant contact dermatitis). |
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To protect itself against harmful radiation, the skin reacts by thickening the upper skin layer and by tanning.
The latter results from an increased production of the skin pigment melanin, a substance produced within the human body. In this way, the energy of the UV radiation is absorbed already on the skin surface and is prevented from penetrating more deeply into the skin. Tanning is actually a warning from the side of the skin! Thus, it’s the normal skin colour that is a sign for health, not the tanned one. |
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In the short run, too much UV light makes the skin lose humidity, dry out and scale. In the long run, the UV rays lead to a loss in elasticity in the skin and to the development of wrinkles and pigment moles (age spots). |
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The skin remembers every single damage that it has ever carried away from UV radation. Exaggerated sunbathing can lead to skin cancer.
There are different forms of skin cancer: in the first group, basal cell carcinoma and squamous cell carcinoma, in the second group malignant melanoma.
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Sometimes, the skin reacts very sensitive to UV radiation: it develops skin problems like reddening, blisters and pustules, often combined with strong burning sensations and itching.
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All in all, sunlight is necessary for our life, but enjoyed in an excessive manner, it can be harmful – sometimes even in a way that cannot be undone. As a matter of principle, everybody should look into the subject of UV radiation and its consequences.
How someone reacts to UV radiation depends on a person’s skin type or pigmentation type. If the skin of a person is fair or dark is genetically determined.
People with fair skin or freckles, with fair or red hair and blue eyes sunburn rather quickly and often don’t actually get tanned. Darker skin types are less sensitive to sunlight; they rarely sunburn and get a tan more quickly.
Six different skin types (I-VI) have been determined. The most frequent types in Europe are the types I-IV.
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Please find more information on skin types here. Maybe you want to try to find out your own skin type by using this table? |
The skin determines our appearance to a large extent. One of the factors is the skin type or pigmentation type – in short, the “skin colour”.
An American dermatologist developed the following scheme of six skin types in order to allow recommendations for skin protection against the sun.
Skin type 1 |
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Characteristics:
Protective measures:
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| Skin type 2 | ||
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Characteristics:
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| Skin type 3 | ||
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Characteristics:
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| Skin type 4 | ||
Characteristics:
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| Skin type 5 | ||
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Characteristics:
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| Skin type 6 | ||
Characteristics:
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| A lot of paper has been filled on the subject sun and sunlight. But not all information around this is correct. |
Many people believe, for example, that tanned skin is not only especially beautiful but also especially healthy. This is actually an image that prevails today in Western societies. But this doesn’t make it true. Tanning is a warning signal of the skin. Skin that is really healthy has a natural colour.
Many people who know that too much UV radiation
is not healthy, or who long for light and warmth on grey and cold days, decide to go to a solarium. But even if the radiation in the solarium is artificial, it is not less dangerous.
Also the so-called "pre-tanning" before vacation or before midsummer, in a solarium or through self-tanning creams, is no improvement in terms of protection against sunlight. The norm for your behaviour should be how much sunlight your skin can endure without getting burnt. You should take protective measures according to your individual skin type, that’s the most important thing.
People with darker skin may believe that the sunlight will not hurt them and that only fair-skinned people have to care about skin protection. But that’s not true at all. Dark skin types can become sunburnt as well if they exaggerate sunbathing – it only takes a bit longer with them.
Protection against the sun is also not something you should think about only on sunny, cloudless midsummer days, in the way of: no sun, no UV radiation - no danger. The opposite is the case: 80% of the UV radiation manages to get through the clouds. In winter, snow reflects the sunlight, thus you can become sunburnt even in the cold season. It is recommendable to always be aware of the UV index
: it indicates the UV values per location.
If you think: "Oh, come on, what damage does a sunburn here and there", you are mistaken: skin never forgets.
The many nice sides of sunlight may make forget the shady side of it. Protection against the sun is very important, and everybody can do something.
With the right behaviour and a sensible attitude you can enjoy the beautiful sides of the sunlight and protect yourself against its negative effects.
If you follow the hints below, you will be on the sunny side of it!
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Many people in Western societies find extended sunbathing in the middle of the day completely normal and consider tanned skin a sign of health and beauty.
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Adequate clothing is a good protection against UV radiation.
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Sunscreen is another measure of UV radiation protection.
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UV radiation varies in intensity depending on the time of day and year and on geographical location.
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UV index
The UV index shows the intensity of the UV radiation on a certain day in a certain location. It starts at 1 and ends at 10. The higher the index number, the higher is the intensity. The higher the UV index, the more important it is to apply sun protective measures. The UV index is often published together with the weather forecast in radio, television, newspapers and internet. The given number indicates the maximum intensity at noontime.
From UV index 3 it is recommended to protect one’s skin against the sun by using adequate clothing, sunscreen or simply by avoiding direct sunlight.
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Solariums or tanning parlours are not an alternative to healthy tanning. Every UV radiation, be it artificial or natural, can damage your skin.
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Find out your individual skin type and take adequate protective measures.
The most important criterion in sun protection is the skin type. Depending on this, your skin will notice the negative effects of UV radiation sooner or later.
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The skin determines our appearance to a large extent. One of the factors is the skin type or pigmentation type – in short, the “skin colour”.
An American dermatologist developed the following scheme of six skin types in order to allow recommendations for skin protection against the sun.
Skin type 1 |
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Characteristics:
Protective measures:
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| Skin type 2 | ||
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Characteristics:
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| Skin type 3 | ||
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Characteristics:
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| Skin type 4 | ||
Characteristics:
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| Skin type 5 | ||
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Characteristics:
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| Skin type 6 | ||
Characteristics:
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| By the way: It is a good idea to check your skin regularly. Should you see anything unusual on it like a painful or changing mole, you should better consult a doctor or dermatologist and get some advice on what to do. |
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Self examination In the case of developing the disease, early recognition increases the chance for healing. For this reason, you should see your doctor or dermatologist once a year for a skin screening, and you should check your skin yourself thoroughly from head to feet once in three months. One of the types of skin cancer, for example, appears as raised and palpable nodules on the skin surface and as rough skin areas. The "ABCDE rule" helps to identify the first signs of malignant melanoma. With the help of this rule, please examine your whole body for moles and dots that show the following characteristics:
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