Position Statement The Risks and Benefits of Sun Exposure

Positive and negative effects of UV

Earth's atmosphere blocks 98.7% of UV rays enter the atmosphere. 2.3% received both positive and negative.

The positive effects (beneficial) UV

Triggers vitamin D - UV sunlight is necessary for our body to produce vitamin D. Vitamin D helps strengthen bones, muscles and immune system of the body. You can also reduce the risk of certain cancers, including colon cancer.

It helps certain skin conditions - UV is used to treat skin diseases such as psoriasis. This is a condition in which the skin cells lose too fast itchy, scaly patches develop. UV exposure to reduce the growth of skin cells and relieves symptoms.

Help moods - Research suggests that sunlight stimulates the pineal gland in the brain to produce certain chemicals called "Tryptamines These chemicals improve our mood..

Helps vision of some of the animals - Some animals (including birds, bees and reptiles) are able to see the UV light around locate many ripe fruits, flowers and seeds stand out more strongly from the background. Fruits, flowers and seeds are often very different from the way humans see them. For example, when you see the UV light, flowers have different brands online, which can help the bees and the birds lead the nectar.

Navaids certain insects - Many insects use the UV emissions of celestial objects as references to navigate in flight. That's why sometimes a light attracts flying insects by disrupting their navigation process.

Zapping bugs
Zapping errors: Video

Useful for disinfection and sterilization - UV has positive applications in the fields of disinfection and sterilization. UV can effectively "kill" (disable or destroy) microorganisms such as viruses and bacteria, for example, to hang cloth diapers, underwear and tea towels outdoors on the clothesline. To destroy microorganisms, UV rays penetrate the cell membrane, destruction of DNA, and therefore its ability to reproduce and multiply stops. This destructive effect is why we can use antibacterial UV lamps for disinfection and sterilization.

The negative effects (harmful) UV

Mole and melanoma

Video: Moles and melanoma

Skin Cancer Causes - UV environment is a carcinogen for humans. It is the causative agent of the most important and universal cancer in our environment. There is very strong evidence that the three main types of skin cancer (basal cell carcinoma, squamous cell carcinoma and melanoma) is caused by sun exposure. Studies show that nearly 90 percent of skin cancers are due to UV radiation.

Image: rear sunburn

Causes sunburn - UV burns the skin. Sunburn is a burn that occurs when skin cells are damaged. These lesions of the skin is caused by the energy absorption of UV rays. The extra blood flow to the damaged in an attempt to repair the skin, so your skin becomes red when you are sunburned.

Damage the immune system - Overexposure to UV radiation has an adverse effect on the immune system suppression. Scientists believe that sunburn can alter the distribution and function of white blood cells that fight against the disease in humans for up to 24 hours after exposure to the sun. Excessive exposure to UV rays can cause even more damage to the immune system of the body. The immune system defends the body against bacteria, microbes, viruses, toxins and parasites (disease and infection). You can see how the effectiveness of the immune system is to observe how rapidly disintegrates something when he dies and the immune system no longer works.

An eye injury - Prolonged exposure to UV light or high intensity UV light (eg, tanning beds) in damages the tissues of the eyes and may cause "burn" the surface of the eye, called "Blindness Snow "or photokeratitis. The effects usually disappear within a few days, but can lead to complications in the future. In 1998, the Journal of the American Medical Association reported that even small amounts of sunlight may increase the risk of eye damage such as cataracts (which is not the cause blindness), pterygium and pinguecula. The UV rays in the eyes is cumulative, it's never too late to start protecting your eyes.

Image: Tanned elderly

Skin Age - accelerated UV aging UV destroys skin collagen and connective tissue under the top layer of the skin. This causes wrinkles, dark spots, "liver", and loss of skin elasticity. The difference between the tone of the skin, wrinkles, pigmentation or the lower arm of a person and the upper side of the same arm illustrate the effects of sun exposure on the skin. Usually, the upper arm has had more exposure to the sun and more sun damage shows. Because photoaging of the skin is cumulative, it's never too late for a person to start sunscreen program. Otherwise, if a tan may look good now, you may have to pay for it with leather and wrinkled skin or skin cancer later.

Plastic weakens - Many polymers used in consumer products (including plastics, nylon and polystyrene) are broken or lose strength due to exposure to UV light.

Bland colors - Many pigments (used for food, color cosmetics, fabric, plastic, paint, ink and other materials) and dyes absorb UV and color change. Fabrics, furniture and paintings need protection against UV rays (fluorescent lamps and sunlight) to prevent fading or loss.

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7 Anti-Aging Foods That Are a Fountain of Youth

During the time that we can agree, we heard that breakfast is the most 
important meal of the day. But it can not only increase your energy levels and memory, but can also affect how long you live. Studies show that eating certain foods can help slow the aging process. Here are just six amazing anti-aging treats that you can go for the first thing in the morning.

1. Blueberries

Although small, blueberries represent a blow to the anti-aging health. Rich in polyphenols, research suggests that a diet rich in blueberries not only improves motor skills, but can also help fight diseases like cancer, heart disease and diabetes.


In fact, a recent study published in Circulation: Journal of the American Heart Association showed that women who consumed the highest amount of blueberries - and their cousins superfoods strawberries - enjoyed a risk of heart attack by 32 percent less than women They are consuming these berries times one month (or at all).

2. Oatmeal

For years, research has shown a strong correlation between oatmeal and cholesterol reduction. Oats are rich in soluble fiber that gets rid of "bad" cholesterol. Oats are also full of antioxidants that fight against cell damage. And this can help oily skin and reduce wrinkles.

3. Eggs 

The eggs generally come under fire because of their high content of cholesterol. But studies show that men and healthy women who eat an egg a day does not experience negative health consequences. In addition, eggs contain all vitamins B: B1, B2, B3, B5, B6, B12, choline, folic acid and biotin. Choline has been shown to protect memory, while two proteins in eggs - lutein and zeaxanthin - protecting against loss of vision.

4. Tea

Many teas are rich in antioxidants against aging. But green tea is rich in an antioxidant called EGCG, which helps fight against wrinkles and rejuvenate skin cells. Green tea may also protect against cancer, the sugar levels in the control of blood and to reduce inflammation associated with Crohn's disease and ulcerative colitis.

5. pomegranate juice

If tea is not your thing, try the pomegranate juice instead. Studies show that a glass of pomegranate juice a day could help keep wrinkles at bay. It has not only been shown to Granada to curb the natural oxidation ("burnout") of DNA has also been linked to the prevention of heart disease and stress relief.

6. Grapefruit

Besides helping you feel full, which in turn can help you lose weight, grapefruit may also help the "bad" cholesterol and triglycerides while increasing "good" HDL cholesterol. Dark red varieties are better than the studies show that it can also help keep heart disease at bay.

Best Foods to Eat for Anti Aging Skin

It is important to eat the right foods in the right amounts to erase and younger skin anti aging foods. Your skin is a direct reflection of what foods you eat every day best anti aging foods. Therefore it is very important to know which foods have anti-aging benefits to the skin in order to draw a healthy and glowing skin anti aging foods.

Here is a list of the top 5 foods known for their anti-aging skin benefits!
 

Grenades 

Make a nutritionist and that recommend eating a bowl of seeds Granada each week for radiant skin. Pomegranates are rich in vitamin C, which acts as a real protection against harmful UV rays anti aging foods.

A compound known under the name of pelagic acid in the fight against grenades poly phenols radical damage. Besides this, a nutrient called super unclogging increases the body's ability to preserve collagen and collagen plays a key role in making the skin smooth and firm anti aging foods. 

 

Tomatoes 

In a study published in the European Journal of Pharmaceutical and biopharmaceutical 2008, researchers found that people who had higher concentrations of glycogen in the skin were soft anti aging foods. Now the good news is that glycogen is densely found in tomatoes anti aging foods. Furthermore, glycogen also protects the skin against sun damage best anti aging foods.

Tomatoes are the key food you should include in your daily diet to keep your skin away from age spots anti aging foods. 

 

Tofu 

If you aspire to a firm texture of his skin, then look no further, because tofu is to offer just that best anti aging foods. The essential ingredient is isolation, which helps to maintain the firmness of the skin collagen. Isolations help protect our skin against ultraviolet UV rays and causing fewer wrinkles and smoother skin. 

In addition, the taste of tofu still delicious!
 

Blueberries 

Blueberries are unmatched in relation to all other foods as regards antioxidants. These delicious blue beauties give our skin the maximum protection for the layers of the skin against free radicals that damage the skin are caused by sun exposure, environmental risks and stress anti aging foods.

To protect the skin against cell damage structured, eat at least half a cup of blueberries a day. By consuming these berries, you protect your skin against fine lines, wrinkles and loss of firmness anti aging foods. 

 

Lawyers 

Give a serious test for lawyers maintain skin aging at bay best food for aging skin. Lawyers are known to be rich in good fats, while rich in glutathione best food for aging skin. Many dermatologists believe glutathione be very beneficial for detoxification of toxins from your body best food for aging skin. Rinse these toxins helps heal acne and wrinkles in the long term best anti aging foods.

So next time, do not forget to add a little avocado spread on your toast.
 

Parting Thoughts 

The truth is there is no secret formula to prevent aging of the skin; however, there are these highly beneficial foods you can eat to maintain a youthful and radiant skin even when his biological age is increasing best food for aging skin. Have a soft texture, firm skin that can be achieved at any age simply by eating right and eating right.

All these foods mentioned in this article will always help you with healthy, glowing skin best food for aging skin.

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How to Overcome 5 Common Sleep Disorders

Constantly losing quality close your eyes? Listen: When untreated sleep disorders can lead to serious diseases such as heart disease, stroke, diabetes and obesity, says Allen Towfigh, MD, clinical professor of neurology at Weill Cornell Medical Center. Here, we describe five of the most common sleep disorder, so we can ID who stands between you and sleep a good night's sleep.

Insomnia
What's this?

Anyone who sets the ceiling for hours Insomnia affects known. The disorder causes the awakening when we try to sleep, says Towfigh. It is the most common sleep disorder, affecting up to 50 percent of adults, at least occasionally, said Teofilo L. Lee-Chiong Jr., MD, professor of medicine at National Jewish Health in Denver and the University Colorado Denver School of Medicine and Chief Medical Liaison, Philips Respironics. But they are not rushing to blame insomnia if you have trouble sleeping after an argument with her boyfriend, or if you cut the amount of nights in the city. "It is important to realize that this sleep disturbance occurs despite adequate opportunity to have the condition and the time to do it," says Lee-Chiong.

What are the causes?

Alcohol and drug use is responsible for about 10 percent of cases of insomnia, says Lee-Chiong. Other factors such as hyper arousal, sleep instability, abnormal circadian rhythms, or just be prone to worry might also help, he said. Some antidepressants, decongestants, steroids and stimulants play an important role, such as lack of sleep hygiene (see below).

How to Stop

Improve your sleep hygiene, starting with the electronic closing of at least one hour before bedtime, suggests Towfigh. "The light of the monitors can suppress the release of melatonin, which normally signals our brain to slow down and prepare for sleep," he said. When it's bedtime, to create the final part dream, with dark times, comfortable, watches and opposite the bed to keep watching the clock all night.
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