In TODAY.com's Expert Tip of the Day, a trainer reveals the equipment-free hack to know you're exercising intensely enough.

Seem like an odd topic for a small business owners? Not at all: research shows fitness is a key factor for intelligence, stress release, and mood.

Pulmonologist Dr Sandeep Katiyar shares expert tips to protect the lungs, reduce respiratory risks, and stay healthy during winter and pollution.

On Oct. 20, Chicago Fire Department firefighters had the opportunity to get screened for COPD at Station 18, thanks to a ...