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

4.7K views · 90 reactions | A strong core is about more than abs -- do this easy move twice a week to keep your lower back strong as steel: | WebMD | Facebook

43K views · 610 reactions | If someone in your family has the flu, these steps can keep everyone else from getting sick. | WebMD | Facebook

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

Michelle's son went to a friend's house and came back with COVID-19, spreading it to others in his family, including his father, who's still in the ICU. She shares her message for those who refuse to wear masks with WebMD Chief Medical Officer Dr. John Whyte -- watch the full video here: https://wb.md/2ZWhDa7 | WebMD

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