Since 1996 WHN is the second oldest medical website on the net, second only to the American Medical Association, servicing over 35,000 physicians and scientists worldwide.
Non-Profit Trusted Source of Non-Commercial Health Information
The ability to detect and react to the smell of a potential threat is a precondition of our and other mammals’ survival. Using a novel technique, researchers at Karolinska Institutet in Sweden have been able to study what happens in the brain when the central nervous system judges a smell to represent danger. The study, …
When you clicked to read this story, a band of cells across the top of your brain sent signals down your spine and out to your hand to tell the muscles in your index finger to press down with just the right amount of pressure to activate your mouse or track pad. A slew of …