Asthma - Asthma is a chronic disease that affects your airways. Your airways are tubes that carry air in and out of your lungs. If you have asthma, the inside walls of your airways become sore ... more

Asthma in Children - Asthma is a chronic disease that causes the airways - the tubes that carry air in and out ... the United States, about 20 million people have asthma. Nearly 9 million of them are children. Children ... more

Allergy - ... a runny nose, sneezing, itching, rashes, swelling or asthma. Symptoms vary. Although allergies can make you feel ... more

Occupational Health - Occupational health problems occur at work or because of the kind of work you do. These problems can include Cuts, broken bones, sprains and strains, or amputations ... more

Child Care - Children's healthy development depends on safe and positive experiences when they are very young. If you work or go to school, you want to know that your child ... more

Children's Page - Kids, this page is for you. Learn about everything from how the body works to what happens when you go to the hospital. There are quizzes, games and lots of ... more

COPD (Chronic Obstructive Pulmonary Disease) - Chronic Obstructive Pulmonary Disease (COPD) makes it hard for you to breathe. Coughing up mucus is often the first sign of COPD. Chronic bronchitis and emphysema ... more

Health Problems in Pregnancy - Every pregnancy has some risk of problems. The causes can be conditions you already have or conditions you develop. They also include being pregnant with more ... more

Molds - ... or mold spores may cause allergic reactions or asthma attacks in sensitive people. It can cause fungal ... more

Ozone - ... be harmful, causing coughing, throat irritation, worsening of asthma, bronchitis and emphysema, and even permanent lung damage, ... more

School Health - ... with specific health problems in students, such as asthma, obesity and infectious diseases. more

Common Cold - Sneezing, sore throat, a stuffy nose, coughing - everyone knows the symptoms of the common cold. It is probably the most common illness. In the course of a year, ... more

Emphysema - Emphysema is a type of chronic obstructive pulmonary disease (COPD) involving damage to the air sacs (alveoli) in the lungs. As a result, your body does not get ... more

Flu - Flu is a respiratory infection caused by a number of viruses. The viruses pass through the air and enter your body through your nose or mouth. Between 5% ... more

Food Allergy - Food allergy is an abnormal response to a food triggered by your body's immune system. Allergic reactions to food can sometimes cause serious illness and ... more

GERD - Your esophagus is the tube that carries food from your mouth to your stomach. Gastroesophageal reflux disease (GERD) happens when a muscle at the end of your ... more

Hay Fever - Each spring, summer, and fall, trees, weeds and grasses release tiny pollen grains into the air. Some of the pollen ends up in your nose and throat. This ... more

Immune System and Disorders - ... Disorders of the immune system include Allergy and asthma - inappropriate immune responses to substances that are usually ... more

Latex Allergy - ... start in minutes. You could get a rash, asthma and in rare cases shock from latex exposure. ... more

Smoking - There's no way around it. Smoking is bad for your health. Smoking harms nearly every organ of the body. Cigarette smoking causes 87 percent of lung cancer deaths. ... more

Smoking and Youth - Nearly a quarter of high school students in the U.S. smoke cigarettes. Another 8% use smokeless tobacco. Smoking has many health risks for everyone. However, ... more

African-American Health - Every racial or ethnic group has specific health concerns. Differences in the health of groups can result from Genetics Environmental factors Access to care ... more

Air Pollution - Air pollution is a mixture of solid particles and gases in the air. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended ... more

Asian-American Health - Every racial or ethnic group has specific health concerns. Differences in the health of groups can result from Genetics Environmental factors Access to care ... more

Aspergillosis - ... but it is most common in people with asthma or cystic fibrosis. Another kind is invasive aspergillosis, ... more

Breathing Problems - ... feel short of breath. Lung conditions such as asthma, emphysema or pneumonia cause breathing difficulties. Heart disease ... more

Cough - ... to 3 weeks. Causes of chronic cough include Asthma Allergies COPD (chronic obstructive pulmonary disease) GERD (gastroesophageal ... more

Emergency Medical Services - If you get very sick or badly hurt and need help right away, you should use emergency medical services. These services use specially trained people and ... more

Environmental Health - ... it can lead to health problems. For example, asthma attacks can result from pollutants and other chemicals ... more

Heart Failure - Heart failure is a condition in which the heart can't pump enough blood throughout the body. Heart failure does not mean that your heart has stopped or is ... more

Hives - Hives are red and sometimes itchy bumps on your skin. An allergic reaction to a drug or food usually causes them. Allergic reactions cause your body to release ... more

Indoor Air Pollution - We usually think of air pollution as being outdoors, but the air in your house or office could also be polluted. Sources of indoor pollution include Biological ... more

Lung Diseases - ... to many disorders affecting the lungs, such as asthma, chronic obstructive pulmonary disease, infections like influenza, pneumonia ... more

Osteoporosis - Osteoporosis makes your bones weak and more likely to break. Anyone can develop osteoporosis, but it is common in older women. As many as half of all women and a ... more

Pneumococcal Infections - ... chronic illnesses or weak immune systems, smoke, have asthma, or live in long-term care facilities. Centers ... more

Secondhand Smoke - You don't have to be a smoker for smoking to harm you. You can also have health problems from breathing in other people's smoke. Secondhand smoke is the ... more

Sinusitis - Sinusitis means your sinuses are infected or inflamed. Your sinuses are hollow air spaces within the bones surrounding the nose. They produce mucus, which drains ... more

Steroids - ... may need to take corticosteroids to treat Arthritis Asthma Autoimmune diseases such as lupus and multiple sclerosis ... more

Suicide - Suicide is the eleventh most common cause of death in the United States. People may consider suicide when they are hopeless and can't see any other solution ... more

Traveler's Health - Traveling can increase your chances of getting sick. It takes your body time to adjust to the water, food and air in another place. Water in developing countries ... more

Voice Disorders - Voice is the sound made by air passing from your lungs through your larynx, or voice box. In your larynx are your vocal cords, two bands of muscle that vibrate ... more