A long soak in hot water to warm winter may have unexpected hazards, according to a Japanese study.
Take a hot bath on a cold day can cause heart problems, said the team led by Chika Nishiyama, School of Nursing and Medicine, Kyoto Prefecture, who noted that the rate of heart attacks rose 10 times from summer to winter.
The finding has special significance in Japan, where the bathrooms are part of everyday life and are used as a means of entertainment, with a large number of people who come to relax and soak in hot springs. "In Japan, many people take long hot baths, some traditional Japanese homes in which it is usual to have central heating, Nishiyama and his team wrote in Resuscitation.
The team based their study on data from nearly 11,000 cardiac arrests in Osaka, in western Germany between 2005 and 2007. Before heart failure, 22 percent had been sleeping, 9 taking a bath, 3 percent were working, and 0.5 percent had exercise. The rest was not doing anything specific or activities were unknown. When you take a look at the rate of cardiac arrest, head of the list of 54 stops are located every 10 million people produced during the bath, followed by 10 arrests for every 10 million people practicing exercise.
For swimmers the risk was linked with the outside temperature, with more heart attacks on cold days. While it remains unclear how to explain this relationship, take a hot bath on a cold day causes a rapid drop in blood pressure, which creates stress on the heart. "Preventive methods such as heating the bathroom and the hallway or to avoid taking long hot baths could be important for people at high risk," wrote Nishiyama and his team.
Source
Reuters
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