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What will be the biggest killer of humanity by 2030? Detailed answer

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Directory / Big encyclopedia. Questions for quiz and self-education

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Did you know?

What will be the biggest killer of humanity by 2030?

a) Tuberculosis.
b) AIDS.
c) Malaria.
d) tobacco.
d) Murder.

Tobacco is the second leading cause of death in the world today, according to the World Health Organization (WHO). It is he who is responsible for the death of every tenth inhabitant of the Earth, that is, approximately five million deaths annually - while cancer kills seven million people a year.

If the numbers continue to grow at the same pace, by 2030 tobacco - and a whole range of smoking-related diseases - will become the most brutal killer of mankind, sending ten million people to the grave a year.

There are about 1,3 billion smokers in the world today. Half of them (650 million people) will sooner or later die from tobacco.

Developing countries will suffer the most. Forty-eight percent of smokers live in middle- and low-income countries, where the number of smokers has been steadily increasing since 1970.

In contrast, the number of male smokers in the US fell from 55% in the 1950s to 28% in the 1990s. In the Middle East, where half of adult men smoke, tobacco use, by contrast, increased by 24% between 1990 and 1997.

The economic consequences of smoking in Third World countries are no less horrendous than the impact on human health. In Niger, Viet Nam and Bangladesh, for example, poor families spend a third more on tobacco than on food.

Until the 1940s, science did not link diseases to smoking, and in the United Kingdom the link between tobacco and cancer was officially recognized by the government only in 1964, after a report prepared by the Royal College of Medicine. It took another seven years before health warnings first appeared on cigarette packs.

Despite thirty years of steadily accumulating facts, one in four adults in the United Kingdom (13 million people) continues to smoke regularly (although 70% of them are trying in every possible way to give up the bad habit).

In 2004, the Himalayan Kingdom of Bhutan not only officially banned smoking in public places, but was also the first country in the world to completely abolish the sale of tobacco products.

Author: John Lloyd, John Mitchinson

 Random interesting fact from the Great Encyclopedia:

Why is the mouse cursor arrow tilted instead of pointing vertically up?

The inventor of the computer mouse, Douglas Engelbart, depicted the screen cursor as an arrow pointing vertically upwards in explanatory drawings. This selection option seemed the most logical, but when it came to implementing a cursor in the Xerox operating system GUI, it turned out that due to the low resolution of monitors, it was impossible to draw a good-looking little upward arrow from pixels. The engineers decided to tilt the cursor so that one face is vertical and the other is at a 45° angle to it. In this form, the cursor entered all other operating systems, even after the advent of higher resolution monitors.

 Test your knowledge! Did you know...

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It's raining in the bowels of the earth 13.07.2022

A few hundred kilometers from the earth's crust there is another ocean - magmatic. And its size, most likely, exceeds the area of ​​the rest, terrestrial. This hot ocean is made up of water molecules mixed with molten rocks.

Previously, it was believed that the water from the underground reservoir does not come into contact with moisture from the Pacific, Atlantic, Indian and Arctic oceans.

Denis Andrault and Nathalie Bolfan-Casanova, geologists at the University of Clermont in France, have come up with a new concept that suggests that water does indeed seep through the mantle into the world's oceans. Geologists called this phenomenon mantle rain.

"Under the earth's crust there is a layer 410 kilometers thick, which contains many water molecules," explains Denis Andrault.

Forty years ago, scientists believed that water molecules do not rise through the mantle and the earth's crust to the ocean, but only make their way back to the bowels of the Earth. If this were the case, then the oceans on the planet would slowly decrease, constantly giving up part of the water to the mantle, the geologist argues.

Scientists discovered mantle rain when they examined how a tectonic plate and its associated fluid sink into the mantle. As the plate sinks, the temperature and pressure increase - and this leads to the melting of tectonic rocks, releasing water.

The mixture of molten rock and moisture then becomes light enough to begin to rise. In this case, the liquid reacts with the substances of the upper mantle and lowers the melting point - this caused an even stronger melting, as a result of which more water is released - and the cycle continues.

"Andro and Bolfan-Casanova's mantle rain model shows that there may be another way to transport water to the surface in addition to convection of the mantle itself," said Yoshinori Miyazaki of the California Institute of Technology.

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