BENEFITS AND HARM OF SUN: DID YOU KNOW?

The sun is both our best friend and worst enemy. Without it, no life, however, it can be dangerous!Indeed, he is responsible for skin lesions and acceleration of aging. It always comes back to the same conclusion, that the excess is harmful. Are you sure that you know all the effects of the sun?

Wonderful benefits

? The sun's rays promote the intake of vitamin D is beneficial to the calcification of bones. Attention, only a few minutes of exposure per day at a moderate enough sun. ? The sun boosts our morale . It is the light received by our eyes 'boost' our moral and which in some cases to fight against SAD. ?Our sense of well-being is also improved. Certainly, tanned skin helps, but this sensation is equivalent to what one may feel after a good meal or while on vacation rather than work. ? UV rays are sometimes used as treatment in some skin diseases , such as psoriasis and vitiligo. But the degree of exposure is strictly controlled and closely monitored patients.

Harm very dangerous

? The heat stroke is especially dangerous in infants and the elderly. ? A too high dose of UV exposure causes burns, the sunburn . The skin is red and painful. Subsequently, she peels, signing the death of millions of cells. More deep layers of skin are affected, the more sunburn is severe. Meanwhile, repeated sunburns greatly increases the risk of skin cancer, especially if they occurred in childhood. ? A tan can provide protection vis-à-vis the sun, but we must not forget that it is the skin response to aggression. ? UVA rays accelerate the aging of the skin they are emitted by the sun or from tanning lamps. As for the sunburn, the skin is more clear, it is more sensitive to this phenomenon. The skin loses its elasticity, becomes dry, wrinkles appear and widen. ? The skin cancer linked to sun overexposure has become a public health problem with over 2 million new cases per year worldwide, including 200 000 malignant melanomas. Any mole that changes should lead you to consult a dermatologist.? Exposure to UV in combination with certain medications (like anti-inflammatory) makes the skin photosensitive and trigger overreactions. It is also the case with some cosmetics. ? UV seem to be involved in the immuno-depression , that is to say, they decrease the ability of the body fight against infection risk. ?The sun does not spare the eyes . UV rays are responsible for cataracts, 1st cause of blindness worldwide. According to WHO, 20% of cataracts are related to sun exposure. Young and old, routinely wear wraparound sunglasses with optical lenses of high index. Ophthalmia, fortunately rare, are eye burns caused by high doses of UV.

In conclusion:

- Never expose yourself to sunlight for long periods. - Always apply a protective cream index filtration high against UVA and B, to be repeated every two hours. - Wear sunglasses and a hat . - Never expose yourself between noon and 14 hours . If you can not do otherwise, wear a T-shirt, but more importantly, do not expose the children .