Brown sugar ginger water, beautiful sleep. When the expectant mother catches a cold, or feels like she is going to catch a cold, drink a bowl of hot brown sugar ginger water, and then have a good sleep. Raw garlic and raw onions are better than medicine. Eating raw garlic and onions is a great way to prevent colds. Allicin capsules are extracted from garlic. Garlic not only prevents colds, but also inhibits intestinal pathogenic bacteria. Zinc and Respiratory Defense Eat foods containing zinc. In zinc deficiency, respiratory defenses