Viruses cause familiar infections such as the common cold, but they also cause severe illnesses. Learn more about viral infections and their symptoms.| medlineplus.gov
Many pathogens and bacteria can contaminate what we eat and cause food poisoning. Find out the food and germs most associated with foodborne illness.| medlineplus.gov
There are many types of bacterial infections. Learn about bacterial infections that can make you sick and how to treat them.| medlineplus.gov
Your body processes the food you eat into glucose. Your blood carries glucose (blood sugar) to all of your body's cells to use for energy. Learn more.| medlineplus.gov
Many people enjoy a cup of coffee or tea to give them a boost. But is it safe? Learn more about caffeine.| medlineplus.gov