If you see smog, you can probably assume the air quality is bad, but what you might not see in the air can be just as dangerous to your health.

At just 9 years of age, Michael's sister offered him a cigarette. That was just the beginning. After more than three decades as a smoker, Michael was diagnosed with chronic obstructive pulmonary disease (COPD) — one of the leading causes of death in the United States.

If you have trouble breathing because of chronic obstructive pulmonary disease (COPD), exercise might be the last thing on your mind. Be that as it may, exercise is crucial to your lung function and quality of life. So if you don't get up and get moving, you may be letting COPD take control of your life.

COPD, or chronic obstructive pulmonary disease, affects patients’ ability to breathe. Often a result of smoking, COPD includes the conditions emphysema and chronic bronchitis.

Chronic obstructive pulmonary disease, or COPD, is a long-term disease consisting of damage in the tissue of the lungs or in the airways. COPD encompasses two diseases - emphysema and chronic bronchitis - and is almost always the result of years of cigarette smoking. The disease is a common one. According to the American College of Chest Physicians (ACCP), more than 5 percent of American adults suffer from COPD. COPD tends to set in between ages 50 and 70. ACCP reports that numbers are highest among women between ages 65 and 74, with a 10.4 percent rate of COPD. Symptoms include sh...

Chronic obstructive pulmonary disease (COPD) is a group of lung diseases that includes emphysema and chronic asthmatic bronchitis. As the airways are damaged in this group of diseases, airflow is blocked during exhalation and breathing becomes harder and harder.  

Rheumatoid arthritis can last a lifetime. As the years pass, the inflammation caused by rheumatoid arthritis can spread to other organs, causing a variety of health problems. In some cases, the complications of rheumatoid arthritis can be deadly.

The city you live in could be affecting your asthma. Is your city one of the most challenging cities for asthma sufferers?

In the age of multitasking, “one thing at a time” is as outdated as a polyester leisure suit. The same is true for doctors treating just one disease as it can lead to confusion and inferior care.

Breathalyzers may be associated with cop shows but the device could be an important tool for the health of patients. A simple exhalation could help patients detect diseases early.