Your questions can be answered by medical personnel in these forums

Questions and Answers (in ASK the DOCTOR forums) can be found for a long list of health problems including:
# Allergies
# Family Practice
# Gastroenterology
# Heart
# Hepatitis
# HIV Prevention & Safe Sex
# Maternal ~ Child
# Menopause
# Child Behavior
# Dental Health
# Dermatology
# Diabetes

For a full list of Medical Problems addressed in individual forums, see the article.