Humans INTUITIVELY avoid others who carry disease, even before they become conscious of symptoms http://ift.tt/2swcIKi (Natural News) The next time your instincts tell you to avoid someone, it may just be your brain protecting your system from contagious diseases. A new study has found that the human brain can detect diseases in other people even before symptoms manifest, ScienceDaily.com reported. The study, published in Proceedings of the National Academy of Sciences (PNAS), found that the human brain is better at reading signals and discovering early-stage diseases than scientists previously thought. More than that, the study also found that humans act on the information, showing less preference for people infected with disease. In carrying out the research, the scientists focused on two groups of participants. They activated the immune response in the first group of participants, injecting them with harmless sections of bacteria. They then developed symptoms of disease, such has tiredness, pain, and fever. The symptoms only lasted for a few hours, during which time photos, videos, and smell samples were recorded from the participants. The smells, images, and videos were then
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