Everyone loves to be out in the sun and bask in its warmth, despite all the warnings about the dangers associated with it. Many people feel that as long as they don't get a sunburn, that they aren't getting any harmful rays from the sun. This isn't true. The cumulative dangers of UV exposure are intense and can still affect the human skin, without initiating a full blown sunburn. Any form of extended exposure to the sun is unhealthy. The following are the many dangers associated with extensive exposure to UV rays.
Minimal sun exposure can be beneficial to the human body, since it is a fantastic source of vitamin D. UV has also been used for treating eczema, psoriasis, jaundice, rickets, and many other skin diseases. Using UV rays for treatment of these many diseases happens under very controlled conditions and are often monitored by a clinical professional. Prolonged exposure to UV rays can instigate chronic effects on the eyes, skin, or the immune system. A sunburn is the most common form of overexposure known.
When this form of exposure happens on a continual basis, the skin cells actually change and cause aging to occur quicker. This doesn't only affect the cells of the skin, but also the blood vessels and fibrous tissue within the skin. Besides premature aging, dangerous lesions can potentially form on the skin and become severe forms of skin cancer. The eyes have been known to be affected by over exposure to UV rays as well, forming cataracts.
There are more than 600,000 people diagnosed with non-melanoma skin cancer every year. Premature aging, or photoaging, occurs most often in people under 30 years of age who sunbathe on a regular basis.
The skin really starts to show strong signs of aging by the time these people reach 40 years of age. Signs of early aging include dilated capillaries, small wrinkles, and freckles. Later in life, many of these freckles can turn into liver spots. The elasticity of the skin also becomes less with more UV rays.
Applying liberal amounts of sun screen can greatly reduce any of the risks of premature aging and skin cancer. Not only sun block application, but also wearing light colored long sleeved clothing to keep the sun from directly coming into contact with the skin is the best sun block of all.
Large hats and sunglasses will protect the top of the head, face, and eyes. It's hard to stay completely out of the sun sometimes, but being as shaded as possible will greatly help.
The immune system can also be protected by making sure to keep sun exposure to a minimum. The skin is in charge of keeping the body healthy and the sun delays the body's ability to fight some diseases. UV rays suppress the immune system, meaning that it will have a difficult time fighting off the beginnings of cancer. The cumulative dangers of UV exposure can be very extensive and are irreversible, so be sure to take precautions early in life.
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