Smoking not only cause severe damage to the lungs, but it can also increase your risk of having a stroke.

Many people lose their voice at some point, usually due to an upper respiratory infection. But if changes to your voice last for more than 10 days or are disrupting your ability to communicate or function, it may be a sign of dysphonia, or chronic hoarseness.

A pulmonary embolism (PE) occurs when a blood clot enters the pulmonary circulation – impacting your heart and lung function.

Worried you're at risk for COPD? Here's what to know about chronic obstructive pulmonary disease, which affects nearly 16 million people in the U.S.