<human>: What should I do to prevent myself from catching a cold?
<bot>: To prevent yourself from catching a cold, you should practice good hygiene by washing your hands frequently and avoiding contact with people who are sick. Additionally, try to limit your exposure to air conditioning and other indoor air pollutants. Get plenty of sleep and exercise regularly. Eat healthy foods that contain vitamins A and C. Avoid touching your eyes, nose, and mouth with unwashed hands.