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

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