Read CNN's Fast Facts about the obesity epidemic and learn about obesity in the United States.
Scientists around the world are racing to develop Covid-19 vaccines and there's news almost daily about steps forward -- this week, there...
A new, mutated version of coronavirus spreads faster and now dominates, but doesn't make people sicker, a study finds.
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It's easy to fall into a false sense of security now that states have reopened. And many are already paying the price.
Read CNN's Fast Facts on Zika and learn more about the virus spread through mosquito bites that can cause birth defects and...
Tuberculosis Fast Facts A doctor examines the x-rays of a tuberculosis (TB) patient at a TB clinic Novmeber 27, 2002, in Brooklyn,...
Patience in lifting coronavirus restrictions is paying off all over the world, but lifting lockdowns too early can have deadly consequences.
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