Pet scans of former methamphetamine users showed that even after months of abstinence:

What surgery do you have to get for endometriosis and does it hurt.

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?

What is the difference between drug misuse and drug abuse?