Heatwave: India Meteorological Department has issued heat wave warning in states like Uttar Pradesh, Haryana, Madhya Pradesh, Bihar and Jharkhand. Due to this, the temperature in many areas has already crossed 40 degrees Celsius. As the heat is increasing, a big question is arising that how much heat can the human body withstand. Let us know what is the answer to this question.

wet bulb temperature

The human body not only reacts to temperature but it also reacts to the combination of heat and moisture. This is called wet bulb temperature. Earlier scientists believed that humans could tolerate wet bulb temperatures up to 35 degrees Celsius. But new research from Pennsylvania State University suggests that the real limit is much lower. Around 30°C to 31°C. Beyond this limit the body is unable to cool itself effectively.

Why does humidity make heat more dangerous?

In dry heat, sweat evaporates and cools the body. But in humid environment, sweat does not evaporate easily. This means that even at low temperatures the body can overheat rapidly. This makes the situation much more dangerous than dry heat of 45 degrees Celsius or more.

When does the body enter the danger zone?

Once the body temperature crosses 40 degrees Celsius, the risk of heat stroke becomes serious. In this stage the cooling system of the body stops working. Due to this, symptoms like dizziness, confusion and even fainting start appearing. If treatment is not received, it can prove fatal within a few hours.

effect on vital organs

Excessive heat not only makes you uncomfortable but also affects your vital organs. There may be swelling in the brain which may lead to confusion or seizures. The heart has to work harder. This increases the risk of increased pressure on the heart.

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