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Is it true that one shouldn't take a bath after lunch?
No.
That's a long hold myth, nothing more.
Although it might have all the pedagogical value of scare stories in general:
So telling kids they might drown because they’ve just eaten is one way of getting them to listen to you. But from the evidence, it doesn’t appear to be backed up by science.
Bathing ...
3
Drinking cold water having asthma can cause bronchial spasm, a sudden constriction of the muscles in the walls of the bronchioles (tightness in the chest), causing difficulty in breathing. This can be also triggered by Exercise-induced asthma (EIA).
The neurotransmitter acetylcholine is known to decrease sympathetic response by slowing the heart rate and ...
3
Closely Related to: What is the latest evidence on underwear affecting sperm count?
Elevated temperatures are thought to decrease sperm counts in males.
Mayoclinic.org
Elevated temperatures impair sperm production and function. Although
studies are limited and are inconclusive, frequent use of saunas or
hot tubs may temporarily impair your sperm ...
2
Hot fluids(including water) can:
Relieve Nasal Congestion
Prevent Dehydration
Soothe Uncomfortably inflamed membranes that line the nose and throat
By relieving symptoms you can make a person feel as if they are well or getting better. So yes I would say it helps. So just the hotness of the fluid can be a benefit.
From a study:
“The hot drink provided ...
2
This is an interesting question and I will take the bait.
Using the definition from here, and considering 2000 grams (2l) of water at about 0 degrees Celsius which the body must heat to about 37 degrees Celsius the lost heat effort is not that big: 37 deg * 2000 g = 74Kcal (out of about 2000K calorie per day)
This article dives into the results of a study ...
1
"water of really any temperature does that if I'm not mistaken"
Sorry but you are mistaken. Water temperature is an important factor in dissolving lipids. You can ask anyone who washes dishes regularly whether they prefer hot or cold water to remove fat from pans and dishes. Soap and heat remove fat. Butter is solid when kept in cold places and melts as ...
1
There is no evidence that cold drinks during or after meals adversely affects health - in fact - the opposite may be true.
In studies of people with pure liquid meals, the temperature of the liquid had essentially no effect on the time it took for the stomach to empty itself (i.e. digest the food). Additionally, it is worth noting that a liquid as it ...
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