Food residues are perceived as being risky because people don't feel they have any control over their exposure to these products. Risks that seem fair are more acceptable than those that seem unfair. Risk information from a trustworthy source is more readily believed than from an untrustworthy source. Ethically objectionable outcomes will seem more risky than those that don't have an ethics issue attached to them. For instance, risks that involve children create much more concern than those involving only adults.
Natural risks seem more acceptable than artificial risks.
Exotic or unfamiliar risks seem more risky than familiar risks. Learn about the approved uses of drugs and the precautions to take when using them. Don't yield to the temptation to use unapproved drugs. Observe recommended time between use and sale of milk or animals. Seek to restore confidence in the ability of governmental agencies to protect the safety of the food supply.