In-depth

Complications

High blood pressure dangers

High blood pressure is a risk factor for more than heart disease. Discover what complications high blood pressure can cause.

Coping and support

Palliative care

If you or a loved one has a serious illness, palliative care might be an option. Understand the benefits of palliative care.

Risk factors

Secondhand smoke

It might be someone else's smoke, but the risks are yours. Consider simple steps for avoiding secondhand smoke.

Symptoms

Shortness of breath

Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.

Tests and diagnosis

Chest X-rays

Even with today's high-tech medical devices, the basic chest X-ray remains an important tool in diagnosing various conditions. Here's a look at how it works.

CT scan

A CT scan is an imaging test that uses X-rays to produce detailed images of the inside of your body.

Spirometry

Spirometry is a simple office test used to check how well your lungs are working.

Treatments and drugs

Hyperbaric oxygen therapy

Hyperbaric oxygen therapy, a procedure used to increase blood oxygen levels, can help wounds heal, fight infection and treat decompression sickness.

Lung transplant

For people with lung disease, a lung transplant may be an option when other treatments are no longer helpful or lung function is life-threatening.

Quit-smoking products

Quitting smoking is hard. But the right medications can help you cope with cravings and withdrawal.