Hormones are your body's chemical messengers. They affect many processes including mood. Too much or too little of a certain hormone can have health implications.| medlineplus.gov
Nearly everyone has had a headache, the most common form of pain. Learn the different types, the different symptoms of, and when to see a doctor.| 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
Suicide is the tenth most common cause of death in the United States. Read about the causes and treatment available, including a suicide hotline number| medlineplus.gov
Heart disease is the leading cause of death in the U.S. Learn about the different types of heart diseases, and what you can do to try to prevent them.| medlineplus.gov
Diabetes is a chronic health condition in which your blood glucose levels are too high. There is no cure, but diet, exercise, medications, and weight control can help.| medlineplus.gov
Exercise is one of the most important things you can do for your health. The key is to find the right exercise for you. Get the facts about fitness.| medlineplus.gov
Depression is a serious medical illness. It affects almost 7 percent of U.S. adults. It causes feelings of sadness, hopelessness, and frustration that do not go away. Learn about treatments.| medlineplus.gov
Sleep is critical to your health and well-being. Learn about why you need sleep, how much you need, and how you can get better sleep.| 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
Learn about more than 1000 health conditions and wellness issues at MedlinePlus. Health topics on MedlinePlus are updated daily and reviewed regularly.| medlineplus.gov
It's normal to be anxious at times. It may be time to get help if anxiety attack is severe or when anxiety doesn't stop. Learn about anxiety disorders.| medlineplus.gov
Your mental health affects all parts of your life. Learn how to improve your mental health, through positive thinking, relaxation techniques, and gratitude.| medlineplus.gov
High blood pressure (hypertension) develops when blood flows through arteries at higher than normal pressures. It increases the risk for heart disease and stroke.| medlineplus.gov