What is a long-term with emotional benefits to quitting alcohol or drug use /10301316/89d124c8? utm_source=registration

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 of the following is a health risk associated with ground-level ozone? a.cataractsb.skin cancerc.respiratory illnessd.all of the above

Elderly nursing home residents tend to decline faster and die sooner than they would otherwise if they lacka)biofeedback.b)mindfulness meditation.c)perceived control.d)type a personalities