Health course

Briefly answer the following questions.  Submit inline.

1.  Describe the differences between chlamydia, pelvic inflammatory disease, herpes simplex virus and HIV.  What actions can be taken to limit infection risk?

2.  Hormone replacement therapy for menopause or 'natural'  treatments or use nothing.  What does each involve.  Why is there controversy?

3.  List at least 3 signs of abuse.  Can abuse always be noticed by others?  What would you advise a friend to do if you suspect that she is a victim of abuse?