The Respiratory System
Some ozone is good and protects us from the sun, but ground-level ozone is bad for our health.
The HPV strains found in people with lung cancer include the strains that cause cervical cancer and genital warts.
The symptoms of a cold, allergies and sinusitis can be similar. Here are some ways to tell the difference between these conditions, according to the American Academy of Otolaryngology.
One week living with a hacking cough seems like forever, but experts say you'll likely have to wait even longer for it to clear up.
Amoxicillin is no better than a placebo at treating the symptoms of a lower respiratory-tract infection.
The disease, a cousin of the SARS virus, may have come from Japanese house bats.
Live Science newsletter
Stay up to date on the latest science news by signing up for our Essentials newsletter.