New Delhi, July 22 -- High humidity can make you feel sticky and uncomfortable, but do you know it can also put extra strain on your heart? When the air is heavy with moisture, sweat doesn't evaporate as easily, making it harder for your body to cool down. To regulate temperature, your heart has to pump more blood to the skin, increasing its workload. Add the risk of dehydration, which can thicken the blood and stress the cardiovascular system. These effects become even more serious, especially for people with existing heart conditions, high blood pressure, or older adults.

How does humidity affect the heart?

Humidity levels affect our bodies in ways that many people may not realise. Humidity and heart health are interconnected, as when...