Why is hypothermia killing Gaza’s children?

In just a week of cold weather enveloping Gaza, six babies across the enclave have died from hypothermia.

As Israel continues its attacks on Gaza and its hospitals, its restrictions on what can enter the Palestinian territory mean that access to winter aid and medical intervention also remain limited. Israel’s war on Gaza has killed more than 45,500 people, most of them children and women.

Here’s what you need to know about the condition that has killed several infants, and that threatens a population of 2.3 million people, most of whom are displaced from their homes, and are surviving in the bitter cold with inadequate food and drinking water.

What is hypothermia?

Hypothermia, which literally means below normal heat, is a condition that occurs when the body loses heat faster than it can produce it.

The body typically maintains a fixed, warm core temperature of about 37 degrees Celsius (98.6 degrees Fahrenheit) using various mechanisms, such as metabolic heat production, which includes digesting food or moving muscles.

The core temperature must be maintained at about this level, between a narrow range of 36.1C (97F) and 37.2C (99F), depending on the individual, time of day, and activity level. This allows vital organs, such as the brain and heart, to continue functioning properly.

However, when the body can no longer compensate for the heat loss and internal temperatures drop dangerously low, the body enters a state of hypothermia.

At what temperature do you get hypothermia?

Hypothermia depends on the body’s core temperature rather than the outside temperature as one can develop it even in milder cold, not just freezing conditions.

A person can develop hypothermia even at temperatures above 4C (40F) if they become cold from rain, wind or submersion in cold water.

Medically, hypothermia begins when the body’s core temperature drops below 35C (95F), roughly two degrees lower than its average.

The severity of the condition depends on how low the internal temperature drops:

  • Mild Hypothermia: 32–35C (89.6–95F)
  • Moderate Hypothermia: 28–32C (82.4–89.6F)
  • Severe Hypothermia: Below 28C (82.4F)

    What are its signs and symptoms?

    What happens to the body depends on the severity and stage of hypothermia.

    During initial cold exposure, the body begins to lose heat through the skin. Wind or water accelerates this process by removing the thin layer of warmth around the body.

    To conserve heat, blood vessels in the skin constrict, reducing blood flow to the surface. This keeps more heat near vital organs but causes fingers, toes and other extremities to feel cold and numb.

    To generate more heat, the body begins to shiver, and breathing and the heart rate increase to pump warm blood to the vital organs and support metabolism.

    However, mild confusion, clumsiness and fatigue may kick in as the cold begins to affect the brain and muscles.

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