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.
Body composition standards vary among individuals. According to Heyward, the average body fat percentage for an 18- to 35-year-old man equals 13 percent, while the average for a woman of the same age is 28 percent.