In those cases, the spread between the bid & ask goes to the market maker as compensation for making a market in a stock. For a liquid stock that is easy for the market maker to turn around and buy/sell to somebody else, the spread is small (narrow).
In cerebral hypoxia, sometimes only the oxygen supply is interrupted. Brain cells are extremely sensitive to a lack of oxygen. Some brain cells start dying less than 5 minutes after their oxygen supply disappears. As a result, brain hypoxia can rapidly cause severe brain damage or death.
Research shows that exposing a babyâs brain to mild hypothermia within 72 hours after a traumatic birthing experience can help reduce the temperature of the infantâs brain by three to four degrees Celsius and increase that childâs chances of avoiding permanent brain injury.