A headache is pain or discomfort in the head, scalp, or neck. Serious causes of headaches are rare. Most people with headaches can feel much better by making lifestyle changes, learning ways to relax,| medlineplus.gov
There are many pain relievers available. Read about over-the-counter vs. prescribed pain killers and how each might affect your health.| medlineplus.gov
Gluten sensitivity or intolerance is different from celiac disease, though some symptoms may be similar. Find information here on gluten-free diets.| medlineplus.gov
Your blood forms clots to stop bleeding. Some people get too many clots or their blood clots abnormally. Learn about the causes and treatments.| 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
Read about causes, symptoms and treatments associated with stress, something that most people encounter from time to time.| medlineplus.gov
An adrenocorticotropic hormone (ACTH) test measures the amount of ACTH in your blood. It can help find the cause of abnormal cortisol levels. Learn more.| medlineplus.gov