What are the small intestines responsible for?

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?

How does alcoholics anonymous people deal with alcoholism? a. it holds meetings where alcoholics and their family members can gather and discuss how alcoholism affects their lives. b. it encourages alcoholics to commit themselves to sobriety by sharing their past experiences and future goals, c. it focuses on alcoholism as a physical disease, instead of a mental problem that can be cured with the right treatment.

Adequate flourish intake during infancy and childhood cuts the incidence of tooth decay up to percent