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Hell in Europe: Traffic Lights Melt as the Human Body Reaches Its Limits

03/07/2026 16:45 - Internacionales

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A Historic and Scorching Summer

The month of June 2026 will remain in Europe's memory as one of the hottest ever recorded. Countries like France, Spain, Great Britain, the Netherlands, Switzerland, and Germany saw their thermometers exceed 30 degrees Celsius (86°F) during the day, while nights offered no relief, staying above 20 degrees Celsius (68°F).

The German Weather Service (DWD), the national meteorological service of Germany, confirmed that "it has never been this hot in Germany in June and for such a prolonged period." The situation is so extreme that several European cities have reported damage to urban infrastructure, including melting traffic lights and the urgent need to adapt buildings to withstand extreme heat.

How Does the Human Body React to Extreme Heat?

The heatwave poses an enormous challenge to the human body, especially for the most vulnerable groups: young children, pregnant women, the elderly, individuals with certain chronic diseases, and outdoor workers.

Compensatory Mechanisms and the Critical Point

According to Dr. Claudia Traidl-Hoffmann, director of the Institute of Environmental Medicine at the University of Augsburg, "from an outside temperature of 23 degrees Celsius (73°F), the body begins to activate compensatory mechanisms." This includes dilating blood vessels to release heat and sweating to cool the skin.

However, if these mechanisms fail, the consequences can be severe, ranging from cardiovascular diseases and strokes to multi-organ failure. Traidl-Hoffmann warns that "the fatal process begins at 42 degrees Celsius (107.6°F)" of central body temperature.

Beware of the lungs: The expert points out that under these extreme heat conditions, the lungs are more prone to inflammation and become more susceptible to respiratory infections.

Adaptation: Will We Get Used to the Heat?

People from warmer regions tolerate heat better due to centuries of adaptation. However, Dr. Traidl-Hoffmann explains that the exponential increase in hot days in Europe leaves no time for adaptation. "The rapid shift to other conditions is not viable, neither for ecosystems nor for humans," she stated.

Even young and athletic people have their limits. A key issue is that heat deprives many people of sleep, which accelerates the body's decompensation and reduces its ability to balance out dysfunctions.

Tips to Survive the Heatwave

Drink plenty of water: Maintaining constant hydration is essential.
Light eating: Prefer plant-based and easy-to-digest foods.
Avoid vices: Minimize the consumption of tobacco and alcohol.
Sleep well: Rest allows the body to compensate for the day's thermal stress.
Medical foresight: Chronic conditions should be stabilized before the heatwave, as excess heat accelerates inflammatory processes.