A hot shower daily is the key to good heart health, says study

Published on:25 March 2020, 14:55pm IST
Bathing daily is important for hygiene but have you ever thought that it will be great for your heart health too?
IANS
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Hot bath a day will keep heart hazards at bay. Image courtesy: Shutterstock

We have always heard that after a stressful day all we need to do is take a hot shower to feel relaxed. And you will be happy to know that now a small ritual like taking a hot water bath will do a lot of good to your heart too. 

According to the study, published in the journal Heart, researchers have found that regular hot tub bathing is linked to a lower risk of mortality from heart disease and stroke.

Isn’t it awesome? The research further says that the higher the dose, the better it seems to be for cardiovascular health, with a daily hot bath seemingly more protective than a once or twice weekly one.

risk factors for heart disease
It is important to take proper steps for a healthy heart. Image courtesy: Shutterstock

A hot bath will also help you deal with insomnia
“We found that frequent tub bathing was significantly associated with a lower risk of hypertension, suggesting that a beneficial effect of tub bathing on risk of [cardiovascular disease] may in part be due to a reduced risk of developing hypertension,” said the study researchers in Japan.

Having a bath is associated with good sleep quality and better self-rated health, but it’s not clear what its long term impact might be on cardiovascular disease risk, including heart attack, sudden cardiac death, and stroke.

To explore this, the researchers drew on participants in The Japan Public Health Centre-based Study Cohort 1, a population-based tracking study of more than 61,000 middle-aged adults (45 to 59 years).

sleep deprivation
Can’t sleep? Well, science says that poor sleep can increase heart disease risk in women. Image courtesy: Shutterstock.

At the start of the study in 1990, some 43,000 participants completed a detailed questionnaire on their bathing habits and potentially influential factors: lifestyle, to include exercise, diet, alcohol intake, weight (BMI); average sleep duration; and medical history and current medicines use.

Each participant was monitored until death or completion of the study at the end of December 2009, whichever came first, with the final analysis based on 30,076 people.

A dip of 28% in cardiovascular disease has been witnessed due to a hot bath
During the monitoring period, 2097 cases of cardiovascular disease occurred: 275 heart attacks, 53 sudden cardiac deaths, and 1769 strokes.

After taking account of potentially influential factors, analysis of the data showed that compared with a once or twice weekly bath or no bath at all, a daily hot bath was associated with a 28% lower overall risk of cardiovascular disease, and a 26% lower overall risk of stroke.

The frequency of tub bathing wasn’t associated with a heightened risk of sudden cardiac death, or with a particular type of stroke, called subarachnoid haemorrhage (bleed into the space surrounding the brain), the researchers said.

Further analysis of preferred water temperature indicated 26 per cent lower and 35% lower risks of overall cardiovascular disease for warm and hot water, respectively.

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But no significant associations emerged for overall stroke risk and water temperature.

After excluding those participants who developed the cardiovascular disease within five or 10 years of the start of the study, the associations found weren’t quite as strong, but nevertheless still remained statistically significant.

According to the researchers, this is an observational study, and as such, can’t establish cause, added to which changes in bathing frequency weren’t tracked during the monitoring period.

So, keep your heart health in check by following this basic habit of taking a bath with warm water. 

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