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There is little doubt that the cold water was deadly to many of the victims in the Titanic desaster. The figure given in the Wikipedia article, that "most people who entered the −2°C (28°F) water died in 15–30 minutes" is certainly plausible. However, note the word "most": the quote doesn't state how many lived longer than 30 minutes, but there must have ...
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Since no one else seems interested, I'll go ahead and transform my comments into an answer. Not sure things will meet the site standards, but I'll let y'all decide.
First of all, the Australian government doesn't seem to think much of the rings.
Quote (bolding is mine:)
Additionally, the company's website, www.nosnor.com, claimed the ring had a 'proven ...
6
People vary a lot and there is some evidence that the human ability to withstand cold varies with the behaviour of said people.
A famous example is Wim Hof who discovered that a cycle of hyperventilation and holding your breath greatly improves the human resistance to hypothermia. he has held many records for cold resistance over the years.
The current ...
4
There is insufficient evidence to say that intake of fish oil supplements (high in omega-3 fatty acids DHA and EPA) reduce the risk of heart or other disease.
1) Omega-3 intake for cardiovascular disease (Cochrane, 2018):
Moderate- and high-quality evidence suggests that increasing EPA and
DHA has little or no effect on mortality or cardiovascular ...
2
Are fish oil capsules beneficial?
Yes, UNLESS you eat fish (duh!)
Howard LeWine, M.D., Chief Medical Editor, Harvard Health Publishing writes:
But the evidence for improving heart health is mixed. ... However,
when researchers looked at subgroups of people who don’t eat any fish,
the results suggested they may reduce their cardiovascular risk by
...
1
American Migraine Foundation mentions that stress can be a trigger of a migraine attack in almost 70% of sufferers. A heavy exercise at an inappropriate time can act as a stressor, while regular moderate exercise can act as a stress reliever (Migrainetrust).
Below are conclusions of 2 recent reviews of studies.
The association between migraine and ...
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