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“Passing out is a loss of consciousness from drinking too much,” says Lander. “Alcohol is a sedative, and if the brain is sedated enough, the person passes out. A blackout is a loss of memory.
It is designed to prevent a black-out and g-LOC (g-induced loss of consciousness) caused by the blood pooling in the lower part of the body when under acceleration, thus depriving the brain of blood. [1] Black-out and g-LOC have caused a number of fatal aircraft accidents. [2]
Freediving blackout, breath-hold blackout, [1] or apnea blackout is a class of hypoxic blackout, a loss of consciousness caused by cerebral hypoxia towards the end of a breath-hold (freedive or dynamic apnea) dive, when the swimmer does not necessarily experience an urgent need to breathe and has no other obvious medical condition that might have caused it.
An untrained individual not used to the G-straining manoeuvre can black out between 4 and 6 g, particularly if this is pulled suddenly. A trained, fit individual wearing a g suit and practicing the straining manoeuvre can, with some difficulty, sustain up to 12-14g without loss of consciousness.
Lucy Hale is opening up and getting candid about her struggle with alcohol and addiction.The 34-year-old actress recently sat down as a guest on the Call Her Daddy podcast, and opened up for the ...
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Respondents reported they frequently recalled having "drunk as much or more without memory loss", compared to instances of blacking out. [9] Subsequent research has indicated that blackouts are most likely caused by a rapid increase in a person's blood-alcohol concentration. One study, in particular, resulted in subjects being stratified easily ...
"Since the recent election, many have chosen this blacked-out profile as a form of protest against the election results," wrote one person in a post on Facebook. "This simple gesture is a way of ...