Research has indicated that stigmasterol may be useful in prevention of certain cancers , including ovarian , prostate , breast , and colon cancers . Studies have also indicated that a diet high in phytoesterols may inhibit the absorption of cholesterol and lower serum cholesterol levels by competing for intestinal absorption. Studies with laboratory animals fed stigmasterol found that both cholesterol and sitosterol absorption decreased 23% and 30%, respectively, over a 6-week period. It also possesses potent antioxidant , hypoglycemic and thyroid inhibiting properties. 
[ Editor's Note: Chryste Gaines, MBA, Olympic gold and bronze medal sprinter and former teammate of Marion Jones in the 2000 Sydney Olympic Games, stated the following in a Dec. 22, 2008 email to in response to the IOC ruling:
"We are being unfairly punished. If the drug testing agencies cannot determine if an athlete is taking performance enhancing drugs how are the teammates supposed to know?... It negates all the family functions, church functions, and social events we missed in the name of winning an Olympic medal." ]
(B) (1) Every licensed health professional authorized to prescribe drugs shall keep a record of all controlled substances received and a record of all controlled substances administered, dispensed, or used other than by prescription. Every other person, except a pharmacist or a manufacturer, wholesaler, or other person licensed under section of the Revised Code, who is authorized to purchase and use controlled substances shall keep a record of all controlled substances purchased and used other than by prescription. The records shall be kept in accordance with division (C)(1) of this section.