But if you purse your lips and let rip a "hoo" from a distance, it will feel cool. This is the result of a process known as entrainment. Essentially, pursing your lips and forcing out air creates a ...

Other scientists have only recently identified hot and cold nerve cell receptors in the peripheral nervous system located just beneath the skin. This is the system that tells the brain to pull the ...

The practice sounds almost medieval in its simplicity: alternating between hot and cold temperatures to heal the body. Yet temperature contrast therapy, switching between heat exposure and cold ...

Cold and hot showers each have health benefits, but a shower that's 95 °F to 99 °F is typically best. Cold showers can help reduce itchy skin and aid recovery after a workout. Hot showers help ...