Can students leave school if there are paint fumes inside the school?

Viral hepatitis, type a is usually contracted by eating food that has been touched by dirty hands.

How do the uv rays cause damage?   what exactly causes the skin to burn;   can you be more specific about this mechanism?   3. how do photosensitive medications increase a person's sensitivity to sunlight and therefore increase their risk of getting burned?     what kind of medications can increase photo-sensitivity, can you think of some examples?

Which symptoms is a short term effect of tobacco use