31.   Instead of using addictive substances, they binged and purged.

32.   McCaffrey said it was important to focus on preventing the habit of using injurious substances among the young.

33.   Mutola has repeatedly denied using banned substances.

34.   Offensive linemen use slippery substances on their uniforms to prevent defensive linemen from grabbing hold.

35.   One of these cross-linkers is glutaraldehyde, a substance commonly used in everything from food processing to medical applications.

36.   People with substance abuse problems are twice as likley to violate a restraining order when compared to those who do not use those substances.

37.   Peyote use is restricted to Native Americans who are using the substance in traditional religious ceremonies.

38.   Provimi said it refused to buy livestock from farmers who used growth substances such as clenbuterol.

39.   Recent accusations coming out of Europe have suggested two-time Tour de France champion Lance Armstrong and members of his U.S. Postal Service cycling team used illegal substances.

40.   Shot-putter Randy Barnes recently was suspended for using this substance.