India, April 2 -- During the summer, to beat the excruciating heat, many people keep the AC on for long hours through the day. While it helps you stay cool and comfortable, how healthy is it to remain in an air-conditioned environment for the entire day? Let's hear what a health expert has to say on it.ALSO READ: Heat exhaustion vs heatstroke: Diabetologist shares how to spot early warning signs before it's too late

We asked Dr Melissa Sathyan, consultant - internal medicine at Rela Hospital in Chennai, who raised a big concern that over time, prolonged exposure to air-conditioned environments can lead to metabolic changes, as the body is not really naturally adaptive to artificial cooling.

It is high time you reconsider spending long h...