Keep your Christmas tree from becoming a fire or tipping hazard with these important safety tips. | WebMD

A strong core is about more than abs -- do this easy move twice a week to keep your lower back strong as steel: | WebMD

If someone in your family has the flu, these steps can keep everyone else from getting sick. | WebMD

3.3K views · 43 reactions | Most experts say that the best, safest way to reach herd immunity is through a vaccine, and a more controversial way is through natural infection. WebMD Chief Medical Officer Dr. John Whyte explains how many Americans would have to be infected with, and recover from, COVID-19 for the U.S. to reach it: | WebMD | Facebook

84 reactions · 16 shares | Sad and surprising celebrity diagnoses and concerning disease outbreaks were among the reasons you turned to WebMD for information this year. Here are the most-searched topics in 2015. | WebMD | Facebook

Even after you're fully vaccinated, should you still wear a mask and practice other COVID precautions? WebMD Chief Medical Officer Dr. John Whyte weighs in. | WebMD