Ultraviolet waves striking the skin can enable your body to make Vitamin D which is healthy for your body. Ultraviolet Waves are electromagnetic waves that can go through your skin and can cause skin cancer and damage.
|
Ultraviolet waves striking the skin can enable your body to make Vitamin D which is healthy for your body. Ultraviolet Waves are electromagnetic waves that can go through your skin and can cause skin cancer and damage.
|