1. Tanning.
Avae Marcello

2. How does indoor tanning work?
2 ways to tan indoors - a bed and a booth. (“Hats wearing”)
Tanning beds use tanning lamps that emit UV-A or UV-B rays. ("Tips For Outdoor’’)
The lamps will stimulate melanin in your skin and as part of a reaction to protect your body from further sun, skin turns darker. (“Hats wearing”)
ultraviolet rays are artificially produced by a tanning device. ("Tips For Outdoor’’)

3. How does indoor tanning negatively affect your health?
Skin cancer, sun burn, eye damage, premature aging. (“Tips For Outdoor”)
Indoor tanning damages you skin in much the same way that outdoor sun tanning does. (“Hats wearing”)
ultraviolet rays (UVA)- less likely to cause burns, but still damage your skin and, possibly, your immune system. (“Hats wearing”)
most common effects of UV exposure is "erythema", also known as sunburn. (“Tips For Outdoor”)

4. How is indoor tanning good for your health?
If you have a diseases, the UV rays can assist the body in manufacturing the Vitamin D it needs. (“Tips For Outdoor”)
Provides vitamin D (“Tanning”)
5-15 minutes twice a week, is beneficial in helping the body produce vitamin D. (“Tanning”)
Helps prevent diseases (“Safe Facts”)
Most people will tell you that when they have tan skin, they feel better, look healthier, and have a thinner, fit appearance (“Hats Wearing”)
You can determine the amount of UV rays you are being exposed to. (“Tips For Outdoor”)

5. How are the health benefits of indoor tanning different from outdoor tanning?
One of the benefits of indoor tanning versus outdoor tanning is that it allows you to control the amount of UV light that you are exposed to, so that you do not get a sunburn and prepare your epidermis for a predisposition to skin cancer. (“Hats wearing”)
Indoor tanning versus outdoor tanning can also be a great help for those suffering from diseases, such as psoriasis or osteoporosis, as UV rays can assist the body in manufacturing the Vitamin D it needs to allay such conditions. This is a great benefit to individuals who need to get their dose of UV regularly and are unable to do so on a rainy day. ("Regarding Indoor”)
One of the main benefits of indoor tanning versus outdoor tanning is that regular doses of ultraviolet light are given to you in a controlled environment that suits your schedule. (“Hats wearing”)
Falling asleep in the sun is a huge danger to sun tanners. Tanning salons avoid this problem with automatically timed sessions to keep you safe. ("Regarding Indoor”)
Getting burned when tanning outdoors, which can lead to melanoma. ("Regarding Indoor”)
More privacy when indoor tanning. ("Regarding Indoor”)
You have no control over the weather. Tanning beds are a reliable option when you want timely results for a special event. ("Regarding Indoor”)

6. How can tanning affect your appearance?
Aging of the face (“Tanning ." KidsHealth)
Wrinkles (“Tanning ." KidsHealth)
Dark circles (”Tanning ." KidsHealth)
Thinning of the skin under the eyes ("Tanning." U S Food and Drug)
Freckles ("Tanning." U S Food and Drug )
Increases moles on the body. ("Tanning." U S Food and Drug)
Damages blood vessels in the skin. (“Tanning ." KidsHealth )
Damages skin's connective tissues. (“Tanning ." KidsHealth”)
Suppresses the immune system, making it harder to fight infection. ("Tanning." U S Food and Drug )
Damages the various delicate tissues of the eye. (“Tanning ." KidsHealth)
Damages the outermost layer of skin cells (keratinocytes). ("Tanning." U S Food and Drug)

7. What is UV Radiation?
UV radiation is only one form of radiation and it is measured on a scientific scale called the electromagnetic spectrum. ("Tanning." U S Food and Drug)
Ultraviolet (UV) radiation is the portion of the electromagnetic spectrum between x rays and visible light ("Tanning." U S Food and Drug )
Many other kinds most common UVA ,UVB, UVC. ("Tanning." U S Food and Drug )
The sun is our primary natural source of UV radiation. ("Tanning." U S Food and Drug )
UVA rays have the longest wavelengths, followed by UVB, and UVC rays which have the shortest wavelengths. ("Tanning." U S Food and Drug)
UVA radiation is what makes people tan. ("Tanning." U S Food and Drug )
UVA rays penetrate to the lower layers of the epidermis, where they trigger cells called melanocytes to produce melanin. (“Tanning ." KidsHealth”)
Melanin is the brown pigment that causes tanning. (“Tanning ." KidsHealth)

8. How can you protect your skin when tanning indoors and in the sunlight?
Avoid overexposure to UV rays from both natural and artificial sources.  (“Tanning." U S Food and Drug)
Use a sunscreen with a sun protection factor (SPF) of 15 or greater to protect uncovered skin. (“Tanning." U S Food and Drug)
Apply sunscreen thickly and frequently. (“Tanning ." KidsHealth)
Wear sunglasses that provide 100% UV ray protection (“Tanning." U S Food and Drug)
Protective clothing (“Tanning ." KidsHealth)
Take frequent breaks (“Tanning ." KidsHealth )
Self tanners - air brush tans. (“Tanning ." KidsHealth)

9. What are the health benefits if your skin is exposed to UV radiations?
UV rays, for example, are necessary for our body to produce vitamin D, a substance that helps strengthen bones and safeguards against diseases.
(“Tanning ." KidsHealth)
UV light is also used as a therapy for psoriasis, a condition were the skin sheds its cells too quickly, resulting in itchy, scaly patches on various parts of the body. When exposed to ultraviolet rays, the growth of the skin cells is slowed, relieving the symptoms. ("Tanning." U S Food and Drug )