Aerobic fitness means increasing how well the body uses oxygen, which depends on the condition of the heart, lungs, and muscles. Experts tend to describe aerobic activity in three ways: light, moderate, and vigorous. When people do moderate-intensity activities, they notice a faster heartbeat. To get the benefits of...

Covers the causes and symptoms of osteoarthritis. Covers possible treatments with over-the-counter pain medicines and prescription medicines. Includes info on home treatment for joint pain, including using heat or ice, staying at a healthy weight, and exercise.

Covers the basics of obesity. Discusses health risks such as hypertension related to having excess body fat. Focuses on lifestyle changes you can make, like healthy eating and exercise. Includes information on weight-loss medicines and surgery and on creating a long-term plan with your doctor.

Anesthesia is the use of medicines to control pain and keep a person comfortable. Anesthetics are used to numb a specific area of the body (local and regional anesthesia). Or they can cause a person to be unconscious and not have pain during a procedure such as surgery (general anesthesia). The types of anesthesia...

Describes heart failure (congestive heart failure). Discusses common causes like hypertension and coronary artery disease. Has info on symptoms. Covers diagnostic tests and treatments. Discusses heart failure classification system and stages of CHF.

Electrolytes are minerals found naturally in the body, such as potassium, calcium, sodium, and magnesium. Electrolytes are needed to keep the body's balance of fluids at the proper level and to maintain normal functions, such as heart rhythm, muscle contraction, and brain function. If the body's electrolytes are not in...

Briefly discusses how cuts may occur and types of cuts. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

The immune system is the body's natural defense system that helps fight infections. An impaired immune system does not work properly and can't effectively protect a person against infection. Some conditions and medicines weaken or impair the immune system. These may include: Substance use disorders or problems caused by...

Looks at forming a partnership with your doctor to manage your care. Suggests taking an active role by asking questions about treatment choices and costs, learning on your own, and prepping for office visits. Offers questions to ask when choosing a doctor.

What is an environmental illness? An environmental illness can occur when you are exposed to toxins or substances in the environment that make you sick. These health hazards may be found where you live, work, or play. Maybe you have headaches that only occur on weekends. Or maybe you began to feel sick and got a rash...

Explores how healthy thinking habits can help with negative thoughts and behaviors. Explains the three parts of healthy thinking: cognitive behavioral therapy (CBT), gratitude, and optimism. Outlines how CBT uses thought reframing and techniques for calming the body and mind. Provides links for learning thought...

Briefly discusses causes of back problems or injuries, including common activities, sudden injuries, overuse, and health conditions that may cause problems. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Provides info on basic dental care like brushing and flossing regularly, seeing your dentist or dental hygienist for regular checkups and cleanings, and eating mouth-healthy foods. Offers info on dental care for children.

Briefly discusses common types of headaches and their causes. Covers when a headache is an emergency. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Discusses causes and symptoms of COPD. Looks at chronic bronchitis and emphysema, two diseases that are usually a part of COPD. Covers quitting smoking. Includes treatment with bronchodilators and inhaled corticosteroids. Offers home treatment tips.

Looks at infertility. Includes info on various tests used to find out why someone can't get pregnant. Covers treatments, including medicine to help stimulate ovulation and procedures to increase sperm count.

Many people have more than one long-term (chronic) health problem. You may be one of them. For example, you may have high blood pressure and diabetes, or you may have high blood pressure, diabetes, and heart failure. When you have more than one problem, doctors call the health problems comorbidities. One health problem...

Briefly discusses common skin rashes that affect those 11 and younger. Covers chickenpox, diaper rash, prickly heat, and contact dermatitis. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Briefly discusses respiratory problems that babies and children can have. Covers viral and bacterial infections, allergies, and asthma. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Briefly discusses the symptoms that can occur from insect or spider bites. Covers skin reactions, allergic reactions, and toxic reactions. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Briefly discusses eye problems, including watery eyes, drainage, eyelid problems and problems related to health conditions. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Antibiotics are medicines used to kill bacteria that cause infections. A doctor will choose an antibiotic to treat an illness based on: Whether taking an antibiotic will reduce the length or severity of the illness. Whether the person is allergic to any antibiotics. How likely it is that a certain antibiotic will kill...

Helping someone with personal care involves many daily tasks. If it's been a while since you did day-to-day caregiving—or you've never done it—you might not know all the things you need to do and how to do them. Learn more This information gives an overview of the daily or weekly care a person needs. Bathing...

Discusses ischemic stroke, hemorrhagic stroke, and TIA (transient ischemic attack). Describes stroke symptoms and importance of acting fast if symptoms develop. Covers stroke treatment and prevention.

All medicines can cause side effects. Many people don't have side effects. And minor side effects sometimes go away after a while. But sometimes side effects can be a problem or can be serious. If you're having problems with side effects, talk to your doctor. Your doctor may be able to lower your dose or change to a...