The ancient recipe of the grandmothers is indeed very effective in relieving symptoms of flu and colds—the explanation of why you will find below.
Hot chicken broth contains natural chicken fat, which stimulates the gallbladder to secrete bile that lubricates the gut. (Bile is an oily and chemically base fluid.) The hot fluids help with digestion, causing increased urination, sweating, and detoxification. It is important to emphasize that ready-made soups that contain artificial additives are not as effective.