Risks of Over-exposure to UV:
According to the U.S. Food and Drug Administration, tanning in a tanning bed increases your risk of cancer. Tanning beds have been associated with squamous cell carcinoma and melanoma, which are skin cancers, as well as ocular melanoma, which is an eye cancer. Failure to wear goggles increases your risk of eye cancer.
Tanning bed use can cause a loss of elasticity in the skin, which leads to wrinkling as well as enlarged pores. The UV rays that cause the skin to tan in a tanning bed also can cause eye problems such as cataracts and photo-conjunctivitis. Excessive amounts of UV exposure can cause a drop in immunity, making the person more susceptible to becoming ill with infectious diseases.
People with fair skin are likely to burn in a tanning bed. Also, some people with sensitive skin may have an allergic reaction to the UV radiation and will experience a red, itchy rash. Those with darker skin also can burn and experience skin damage.
Not really... the use of tanning beds can increase your vitamin D level. However, the best way to get that vitamin D is from normal exposure to the sun as well as consuming vitamin D through the diet is preferable. Some people may benefit from the radiation from tanning beds. The only people that truly benefit from tanning beds are people with dermatitis and psoriasis. They may find relief with medically supervised treatment with UV rays. Self-treatment at a commercial tanning bed, however, is not recommended.