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This alone is enough to cause a blackout, but it is widely believed that the effect is enhanced if lung air pressure is increased by holding the breath "hard" or "bearing down" (tightening the diaphragm as in a forced exhalation while allowing no air to escape or having an assistant apply a bear-hug). [11]
Anxiety, when understood and managed, can actually serve us in these complicated times. “Inside Out 2” tackles this head-on. The movie’s first lesson is simple yet profound: anxiety may not ...
The brain can be deprived of oxygen with as little as 4.4 pounds of pressure and can cause loss of consciousness in just ten seconds. When hypoxia begins, permanent brain damage can occur within ...
Chronic stress can also contribute to the buildup of abdominal fat associated with obesity and metabolic syndrome — conditions that increase the risk of stroke, type 2 diabetes and heart disease.
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.
The long length of hemp cord allowed the balloon to maintain an altitude of about 1,000 ft (300 m) which would reduce the chance of the balloon being becalmed in still air. The plan was that the wire tail would be dragged for about 30 mi (48 km) across the land and eventually encounter a high-voltage transmission line. [ 6 ]
However, having certain underlying conditions may make you more prone to stress-induced diarrhea than other people, Dr. Farhadi says. Those can include: Irritable bowel syndrome
The cold water can cause heart attack due to severe vasoconstriction, [2] where the heart has to work harder to pump the same volume of blood throughout the arteries. For people with pre-existing cardiovascular disease , the additional workload can result in myocardial infarction and/or acute heart failure , which ultimately may lead to a ...