Take 5: The science of doping in sports

Reports of doping by Russia’s Olympic ath­letes con­tinue to grab head­lines. Just yes­terday, offi­cials con­firmed that 14 of the country’s ath­letes from the 2008 Games had been impli­cated by the I.O.C. in a re-​​testing of sam­ples. But doping in sports is not new. As early as the 8th cen­tury B.C., Greek ath­letes found ways to boost testos­terone to enhance per­for­mance, says Northeastern’s Rui Li, an expert on exer­cise phys­i­ology. Here, she talks about the sci­ence of doping and pos­sible mea­sures to stop it.

3Qs: Life after the Olympics

Jus­tine Siegal of Sport in Society says early prepa­ra­tion and a strong sense of self can help Olympic ath­letes lead suc­cessful lives long after their playing days are over.