Quote Originally Posted by sierra_bound View Post
Not everyone who has AIDS got the disease as a result of their personal lifestyle. Babies in Africa are infected by their mothers. Medical workers have gotten AIDS from accidentally coming into contact with dirty needles.

Some people are more vulnerable to certain diseases because of genetics, not because of their lifestyles. Their parents or grandparents may have had certain cancers or heart conditions.
And in addition, permanent partners who contracted the disease either by choice or by force. Blood contact is all that's needed to transfer the disease.