This is because heat increases blood flow to the painful area, which relaxes tight muscles and joints, and
ice constricts blood vessels which numbs pain.
Not exact matches
When you drink cold liquids, such as
iced tea or
ice water, the same thing happens to your digestive tract:
blood vessels constrict and
blood moves out of the area.
The reasoning behind
ice baths is that your
blood vessels will
constrict in the cold and when you warm up new
blood rushes to the area and improves circulation and flushes out the waste products which helps the healing process.
Never use cold water or
ice baths because this can cause the peripheral
blood vessels to
constrict that can impair heat dissipation.
Placing cold or
ice water on a dog suffering from heat stroke can make
blood vessels constrict, causing the internal temperature to continue to rise.
Place an
ice - pack over the bridge and on the side of the nose to help to control bleeding as that
constricts the
blood vessels in this area.
It is generally agreed that the feeling of someone driving an
ice pick into your eye comes from eating or drinking, very quickly, something that is cold and that object touching the roof of the mouth or back of the throat causing
blood vessels to rapidly
constrict and dilate where pain receptors get involved and fire off signals with some miscommunication.