Many drugs have an impact on the body's major systems. 

Consider the case of professional athletes who use performance-enhancing drugs (PEDs) to improve their athletic abilities and, therefore, results. Some argue that PEDs are safe, and that their negative effects on health are exaggerated. They allege that "juiced up" athletes make better athletes and performers, and that is what spectators want to see. However medical experts, among others, warn of the dangers of PEDs and insist that taking these drugs is just cheating.

• how would you stand on this issue? Do you believe that athletes should be able to take PEDs if they want to, or do drugs give people an unfair advantage? Explain your rationale.
• Should former athletes like Olympian runners Marion Jones and Ben Johnson, Tour de France winner Lance Armstrong, and baseball players like Alex Rodriguez have been punished by their respective sports for using PEDs? Why or why not?