People Can Quickly Spot Illness in Others: Study

Research has shown animals can smell sickness in others; but for humans, illness is all in the face, the Washington Post reports. 

A study published Wednesday in Proceedings of the Royal Society B reveals it's possible humans can tell if someone is healthy or sick—even if they aren't coughing or sneezing—just by looking at their face soon after infection. 

Researchers injected 16 people with lipopolysaccharide, a molecule found in bacterial membranes that activates the immune system and makes people feel sick, and later a placebo then took pictures of their faces two hours later. Researchers then had two groups of 60 or so people look at the photos for five seconds each, according to the Guardian. The first identified the individuals as either sick or healthy; the other ranked people's health based on facial properties.

Read the full story on Newser.com

• Woman Dies Just Hours After Getting Married
• Silicon Valley Is on This Diet, So I Tried It Too
• She Had a Wrong Diagnosis for 6 Years, Thanks to This