A chest cold usually goes away within 3 weeks. Viruses cause head colds and chest colds. A head cold can develop into a chest cold. Symptoms of head and chest colds can vary slightly: ...

Bronchitis is an infection of the tubes that lead to the lungs. It can be acute or chronic. Symptoms include a cough and wheezing. Smoking is a major risk factor. Find out more.

QXO — a building materials distribution company founded in late 2023 by serial entrepreneur Brad Jacobs — has landed another $620 million in private placement financing. The company shared July 19 ...