Diane has a daughter named Isabelle. After Isabelle was born, Diane contracted HIV/AIDS. Diane thinks that breastfeeding is important, so she continues to breast-feed Isabelle after her diagnosis. Should Diane be concerned about HIV transmission?

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?

Describe some of the common health conditions associated with air pollution.

Match each disease with the body system it affects