Coronary artery disease symptoms When your heart doesn’t get enough arterial blood, you may experience a variety of symptoms. Angina (chest discomfort) is the most common symptom of CAD. Some people describe this discomfort as: chest pain heaviness tightness burning squeezing These …

What is COPD? Chronic obstructive pulmonary disease, commonly referred to as COPD, is a group of progressive lung diseases. The most common of these diseases are emphysema and chronic bronchitis. Many people with COPD have both of these conditions. Emphysema slowly destroys air …

What is constipation? Constipation is one of the most common digestive problems. It’s defined as having hard, dry bowel movements or passing stool fewer than three times a week. Symptoms Each person’s bowel habits are different. Some people go three …

The first signs of the common cold are fairly obvious: a stuffy or runny nose, sneezing, and a scratchy, sore throat. Most people quickly recognize these early symptoms because the common cold is so ordinary. In fact, adults have an …

What causes Crohn’s disease? It isn’t clear what causes Crohn’s disease. However, the following factors may influence your chances of developing it: your immune system your genes your environment Up to 20 percent of people with Crohn’s disease also have a parent, …

Chest pain is one of the most common reasons that people visit the emergency room (ER). Chest pain varies depending on the person. It also varies in: quality intensity duration location It may feel like a sharp, stabbing pain or …

What are cavities? A cavity, also called tooth decay, is a hole that forms in your tooth. Cavities start small and gradually become bigger when they’re left untreated. Because many cavities don’t cause pain in the beginning, it can be …

What are Burns? Burns are one of the most common household injuries, especially among children. The term “burn” means more than the burning sensation associated with this injury. Burns are characterized by severe skin damage that causes the affected skin …

Whether you’re in the water, on a mountain trail, or in your backyard, wildlife you encounter have ways of protecting themselves and their territory. Insects, such as bees, ants, fleas, flies, mosquitoes, wasps, and arachnids, may bite or sting if …

What is Breast Cancer? Cancer occurs when changes called mutations take place in genes that regulate cell growth. The mutations let the cells divide and multiply in an uncontrolled way. Breast cancer is cancer that develops in breast cells. Typically, …

What are brain disorders? Your brain is your body’s control center. It’s part of the nervous system, which also includes the spinal cord and a large network of nerves and neurons. Together, the nervous system controls everything from your senses …

What are blood cell disorders? A blood cell disorder is a condition in which there’s a problem with your red blood cells, white blood cells, or the smaller circulating cells called platelets, which are critical for clot formation. All three …

About birth defects A birth defect is a problem that occurs when a baby is developing in utero (in the womb). Approximately 1 out of every 33 babies in the United States is born with a birth defect. Birth defects can be …