The best-known member of the genus Atropa is Deadly Nightshade (A. belladonna) - the poisonous plant par excellence in the minds of many.
According to ACE's standards, it is normal for female athletes to have between 14 and 20 percent body fat, for fit women to fall between 21 and 24 percent and for average women to have between 25 and 31 percent body fat.
The data, originally published last year by researchers at the CDC, show that among Americans with BMIs below 25, women have an average body fat percentage of 34 percent and men have an average body fat percentage of 23 percent.