You need to rehydrate after any activity that causes you to sweat a lot, such as intense exercise, saunas, or hot yoga classes. Rehydration is also important to prevent the effects of dehydration if you have the stomach flu or are recovering from a night of drinking.

Coffee is a popular beverage these days. But can you drink coffee when you are sick? Drinking coffee has its pros and cons depending on the medical condition you are experiencing.