It is well known that heat causes exhaustion in the body due to dehydration. But aging?

A recent study concluded that extreme heat accelerates the aging of the human body, a worrying fact given the increasing frequency of heat waves due to climate change.

The researchers are not talking about the effects of solar radiation on the skin, but biological aging. Unlike chronological age—that answer that you give when asked how old you are—your biological age reflects how well your cells, tissues, and organs are functioning. Biological age can be calculated by looking at physiological and molecular markers in the body as well as by using various tests, for instance by measuring lung function, cognitive ability, or bone density.

Over time, the research found, exposure to extreme heat can we

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