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HomeHealthA, O, or AB: Is one blood group likely to feel hotter...

A, O, or AB: Is one blood group likely to feel hotter than others? | Health News

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Is there any particular blood group that experiences increased heat sensitivity? We asked experts this question, and Dr Narander Singla, lead consultant, internal medicine, CK Birla Hospital, Delhi, said there is no direct correlation between blood groups and an individual’s sensitivity to heat.

However, he contended that research suggests certain blood groups may exhibit varying levels of heat resistance due to the presence of carbohydrate blood group antigens on cell surfaces. These antigens might play a role in protecting cells against heat stress.

According to him, cells expressing specific blood group antigens, such as H and A antigens, may demonstrate increased resistance to heat. “This is potentially linked to the activity of certain glycosyltransferase enzymes associated with these antigens, which can contribute to cellular protection under heat stress,” said Dr Singla.

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Additionally, the level of antigen expression may demonstrate the cell’s ability to withstand heat shock. So, cells with higher expression of these antigens may be more heat-resistant, said Dr Singla.

Also, individuals with blood group O are said to have higher adrenaline levels, which can increase heart rate and body temperature during stress or physical activity, and their bodies can generate more heat, said Dr Badal Taori, consultant general medicine, Medicover Hospitals, Kharghar, Navi Mumbai. “On the other hand, people with blood group AB or B may have tolerance to heat due to differences in blood circulation and immune responses, though these claims are not verified or even proven,” said Dr Taori.

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Blood type and health

Although blood type does not appear to influence how much heat a person feels directly, certain blood groups have been associated with specific health risks. Dr Singla described that individuals with Type O blood may have a lower risk of heart attacks and blood clots. “On the other hand, people with Type A or AB blood may be at a higher risk for certain types of cancer, including gastric and pancreatic cancer,” said Dr Singla.

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While there is no apparent connection between blood type and heat perception, the role of blood group antigens in cellular heat resistance is an area of ongoing research, Dr Singla said. “Further studies are needed to explore whether blood group differences have any measurable impact on how individuals experience heat,” said Dr Singla.

Overall, factors like hydration, body weight, metabolism, fitness level, and lifestyle have a much bigger impact on heat sensitivity than blood type, said Dr Taori. “Regardless of blood group, staying cool, drinking enough fluids, and avoiding direct sun are vital tips to beat the heat,” said Dr Taori.

DISCLAIMER: This article is based on information from the public domain and/or the experts we spoke to. Always consult your health practitioner before starting any routine.



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