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.
Hallucinations are possible during this stage of detox. Seizures are possible as well, most commonly in the first 12 to 48 hours after the last drink, but can continue for days after the process begins.3. Rapid heart rate will continue and chest pain may arise, which may indicate heart or blood pressure issues.