Social media has been filled with warnings of heavy metals in tampons and biocides in period panties in recent months. Do menstrual products really pose a health risk?

Cases of walking pneumonia are spiking across the U.S., according to the CDC. Dr. Marc Siegel speaks with Fox News Digital about common sources, symptoms and treatments.

These bacteria have evolved the ability to resist treatment with antibiotics, and it's making them more deadly and harder to ...