How global warming is affecting our health | 10 problems generated or aggravated by heat

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How global warming is affecting our health | 10 problems generated or aggravated by heat

Climate change is "the biggest threat to human health in history", far greater than the risks posed by viruses and disease, according to Euro news , which cites statistics, studies and experts.

Climate change must be treated with the same seriousness as the fight against the COVID-19 pandemic, experts say. Otherwise, our health will deteriorate significantly in the coming years.

Here are the problems with global warming.

How global warming is affecting our health



1. High temperatures, heart risk factor

Heatwave waves will become more frequent as the global average temperature rises. Outrageous temperatures have been found to kill 5 million individuals every year.

When the temperatures are high, the heart problems get worse, because the heart has to pump harder and faster to redistribute and increase blood flow to cool the body.

Individuals with coronary illness are particularly in danger for cardiovascular breakdown and hot burn from the sun.


2. Decreases sleep quality

A recent report by Kelton Minor of the Center for Social Science at the University of Copenhagen found that environmental change, with regards to climbing temperatures, is prompting a huge drop in rest hours. significant drop in sleep hours.

47,000 people from 68 countries were monitored for the study.

When measuring participants' sleep, Minor found that "on warmer-than-average nights, people sleep less." Those shorter nights of prolonged sleep eventually lead to negative health effects.

The elderly, women and residents of lower-income countries are the hardest hit.


3. Respiratory problems

Ground-level ozone, which is dangerous to our health, is produced when pollutants emitted by artificial sources, such as machines or chemical plants, react in the presence of sunlight.

It has been found that elevated ground-level ozone and solid and liquid particles in the air, produced by natural and artificial sources, have led to decreased lung function, especially in people exposed to pollutants since childhood.


The main conditions resulting from air pollution are: asthma, rhinosinusitis, chronic obstructive pulmonary disease and respiratory tract infections.

In Canada, a woman became the first patient in the world to be diagnosed with "climate change" after developing shortness of breath during a heat wave.


4. Kidney disease

Dehydration caused by exposure to heat can affect the kidneys, which depend on water to help eliminate toxins from the blood in the form of urine. When water is lost through dehydration and there is no additional intake, urine contains a higher concentration of minerals and toxins.

This can lead to the formation of crystals that can become kidney stones, have a negative impact on kidney function and cause various painful symptoms such as nausea, back pain and difficulty urinating.

In older adults, whose kidneys may already be affected, dehydration can, in rare cases, even lead to death.


5. Allergies

With the increase in CO2 levels, which has increased by 9% since 2005 (and by 31% since 1950), the amount of pollen has also increased, due to higher rates of photosynthesis.

This leads to worsening of allergy symptoms - rhinorrhea, sneezing, coughing, itchy eyes, headache.


6. Vascular disorders

When air pollutants enter the bloodstream, the risk of developing heart and circulatory diseases increases as the blood vessels affected by the deposits narrow and harden.

A 2018 study in London found that with increased air pollution, particles enter the bloodstream, thickening the blood and forcing the heart to work harder to pump it throughout the body.


7. Fertility problems

One of the lesser known effects of air pollution has been studied by Dr. Gareth Nye, a professor of anatomy and physiology at the University of Chester, UK, who is researching the impact of air pollution on fertility.

"A study of 18,000 couples in China found that those exposed to high levels of small particulate pollution have a 20% higher risk of infertility than others," Nye told Euro news Green.

He added that given that 30% of couples "are struggling to have a baby and have no known problems", it is important to look at air pollution "as a possible cause".


8. Malnutrition

Changing rainfall patterns, rising ocean temperatures and extreme weather events contribute to malnutrition in developing countries.

Malnutrition leads to a multitude of health complications: heart disease, cancer, diabetes, growth disorders.

Even in more developed countries, food shortages caused by climate change will drive up food prices, and people will only be able to cope with the crisis by resorting to nutrient-poor sources, leading to obesity and malnutrition, experts say.


9. Psychiatric problems

Physical health is not the only thing affected by climate change. As a result of global disasters caused by extreme weather, such as fires, floods or hurricanes, mental health problems only get worse.

In the wake of Hurricane Katrina in 2005, one of the worst disasters in American history, at least 90 percent of the 8,000 patients treated for Katrina suffered from long-term anxiety.

If one faces food insecurity, loss of all possessions and loss of loved ones, one will no doubt suffer in the years to come from the trauma suffered, which can cause post-horrendous pressure problem (PTSD) and even self destruction.

Ecological anxiety is also on the rise, especially among young people who are discouraged by the prospects of their future world. A global study published in 2021 found that 60% of 10,000 young people in countries around the world are very or extremely concerned about climate change.


10. Microplastic poisoning

Microplastics, extremely small pieces of plastic debris found in the environment, are also found in the human body. In March, such nanoparticles were first discovered in human blood.

This is plastic used to make bottles, packaging and shopping bags.

Scientists fear that these nanoparticles may reach our organs through the bloodstream. It has been found that babies have 15 times more fecal microplastics than adults, most likely ingested from household items.

There is ongoing research on the effects of microplastic on human health.

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