Little changes in average facial temperatures can reveal your age and whether you have certain medical conditions Zhengqing Yu and Jing-Dong J Han If your cheeks are subtly warmer than is usual, it could be a sign of rising blood pressure that could be detected by . Little changes like this in the heat patterns of people’s faces could also flag certain other medical conditions, such as diabetes and fatty liver disease and even be used to estimate age. at Peking University in Beijing, China, and her colleagues used a commercial, hand-held thermal imager.
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