Why should you avoid drinking coffee on a cold day; According to the Wall Street Journal reports, most of the time, we’re warmer than our surroundings and we give off heat. When it’s cold out, however, your body reacts by shivering, generating more heat to your core.
Drinking a big Thermos of coffee on a cold day will likely cause you to urinate because caffeine is a diuretic. And that’s “another way to lose heat because that fluid is much warmer than the surroundings.
Another drink that surely won’t warm you up on a cold day is alcohol. Alcohol is another diuretic that causes your blood vessels to dilate and that is why some people who drink alcoholic beverages in cold temperatures can wind up with hypothermia.
So what are the best drinks to take for you to keep yourself warm? Some experts got their answers from Mongolia. During the reign of Genghis Kahn, people stayed toasty by drinking a beverage that contained yak butter. The Mongols drank fresh, warm mare’s milk, which gave them the ability to have a sustained, warm, high-caloric diet that kept them warm.
So go ahead and order that hot chocolate or latte—just make sure it’s decaf. If you are not a fan of milk, try a non-caffeinated beverage between 98.6 (your body’s normal core temperature) and 115 degrees.
According to the Wall Street Journal, a particular study showed that a drink in that temperature range should make your body feel about 2.6 degrees warmer than normal. Also, a nice cup of chamomile tea should do the same trick.