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New research suggests a manned mission to Mars might not yet be safe for astronauts.
A look at some science-based facts about HIV that may surprise you as we mark the 35th anniversary of the start of the AIDS epidemic.
Digestive diseases affect nearly 60 to 70 million Americans each year.
Slowly but surely science is showing that good bacteria in our gut supports gastrointestinal health and shields us from a whole slew of diseas...
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