Top medical stories

CNN will release the No. 1 medical story on February 13

2. Stem cells
3. Cloning
4. AIDS
5. Living liver transplant
6. Self-contained artificial heart
7. Prozac
8. Seatbelt laws
9. Overweight America
10. Body mass index
11. Phen-Fen
12. Low-carb diet
13. Cosmetic surgery boom
14. Gene therapy
15. Anthrax attack
16. West Nile/SARS
17. Prescription drug advertising
18. Tobacco settlement
19. Silicone breast implant settlement
20. Reproductive surgery
21. Laser-eye surgery
22. Mad cow
23. ADHD
24. Tylenol tampering
25. Viagra