The Evolution of Skin Tanning

Evolution of Skin Tanning One of Catherine 's insatiable obsession with Eden of Ernest Hemingway is to darken her skin color. She accomplished this by tanning every occasion, and of course her skin darkened many shadows. The sunburn of Catherine's skin at the time of the story is like a premier of skin sunburn, fashion chic fashion pursuit. Traditionally, sunburned skin is generally not popular. Prior to the Industrial Revolution, most manual work was done under the sun, but this continuous exposure made the skin darker.

Sunburn or simple tanning is the process of darkening or sunburning the skin. It is usually the result of exposure to ultraviolet rays (UV) from an artificial light source such as sunburn or indoor tanning bed sunburn lamp. Those who have intentionally tanned the skin by being exposed to the sun will do passive leisure activities in the solar bath. Some people use chemical products that can produce sunburn effects without being exposed to ultraviolet rays.

According to the World Health Organization (WHO), ultraviolet rays from sunburn salons and tanning salons are the main causes of skin cancer, accounting for 50 to 90% of all skin cancers. Ultraviolet rays penetrate the surface of the skin and cause mutation if the radiant energy is absorbed and destroys the bonds in the DNA. Ultraviolet rays can also cause eye damage including early skin aging and cataracts. For details on the influence of ultraviolet radiation on health, refer to "Module on solar radiation amount".

The sun is overexposed. Especially if your skin does not have sunscreen or clothing protection, anyone who spends a long time in sunbathing can develop skin cancer. Sunburn including sunburn lights and beds can also be at risk. Sunburn is skin damage to excessive UV radiation. Hello. People with many moles and abnormalities are called dysplasia, which increases the risk of skin cancer. These abnormalities - seemingly irregular and bigger than usual - are more prone to cancer than other ticks. If there is a strange history, please check whether they change periodically.