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This section has information on health problems that can affect a person's lungs and
Each day you breathe about 20,000 times. Find out more about the lungs and breathing
Who needs a flu shot? How long is mono contagious? This section has tons of articles
about infections that teens can get, with information about how they're spread, signs
and symptoms, when to go to the doctor, and more.
From prevention to healing, this section can help you get a handle on colds and flu.
Most teens get between two and four colds each year. Read this article for the facts
on colds and ways to feel better when you catch one.
This section has information on common infections like colds and the flu.
Common bacterial & viral infections.
Smoking is on the decline, but some people are still lighting up. Why? The answer
is addiction. Find out more in this article for teens.
This video shows what it's like to get a spirometry test.
You've probably heard a lot of conflicting information about marijuana. Here's what
recent research has found.