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This invention could give new meaning to the term "bad breath!" It's the Single Breath Disease Diagnostics Breathalyzer, and when you blow into it, you get tested for a biomarker—a sign of disease.

Neogenis Labs contends that nitric oxide insufficiency, not testosterone, is actually to blame for aging baby boomers' sexual issues.

Scientists at The Scripps Research Institute have unraveled a complex chemical pathway that enables bacteria to form clusters called biofilms.

In the spring of 2010, Baylor College of Medicine's Dr. Brendan Lee received a desperate email from the mother of one of his patients.