Triple braided knot. Travel Tips

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Triple braided knot. Travel Tips

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By knitting triple braided knot refers to the simplest knots, but requires a lot of attention. It looks better if tied with a thick, dense cord. Can be used to shorten curtain cords, blinds and curtains.

Rice. 139. Triple braided knot

Author: Skryagin L.N.

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Smoking mother harms unborn child 02.09.2013

Scientists have found out how nicotine consumed by a pregnant woman affects her offspring. It turns out that nicotine not only promotes addiction and craving for smoking in a child, but also leads to a tendency to lead an unhealthy lifestyle.

It is well known that smoking during pregnancy alters the development of the fetal brain and increases the risk of preterm birth, low birth weight and miscarriage. In addition, prenatal nicotine exposure is known to increase the likelihood of tobacco use and nicotine addiction later in life, but so far the mechanisms of nicotine's effects on the unborn have remained unclear.

To uncover these mechanisms, Rockefeller University neuroscientists injected pregnant rats with low doses of nicotine, equivalent to one cigarette a day for a pregnant woman. Scientists have studied the brains and behavior of rat offspring and now understand why people exposed to nicotine in the womb are more likely to become smokers. In addition, other very serious negative side effects were found.

It turns out that nicotine increases the number of specific types of neurons in the amygdala and hypothalamus. Cells in these areas of the brain produce orexin, enkephalins and melanin-enriching hormones, in other words, neuropeptides that are responsible for stimulating appetite and increasing food intake. When exposed to nicotine in the womb, more cells are formed in the brain that produce these hormones. As a result, the younger generation is not only more likely to use nicotine, but also prefer to eat more fatty foods and drink more alcohol.

Thus, exposure to nicotine in the womb stimulates an unhealthy appetite in the offspring, which end up prone to overconsumption of nicotine, drugs, alcohol, and fatty foods. In fact, one cigarette smoked per day, or a similar dose of nicotine obtained from a patch or an electronic cigarette, leads to the fact that the mother "programs" her child's body for unfavorable development.

It is very difficult to fight this innate feature; this requires the strong will of the "affected" teenager and the appropriate environment, where only a healthy lifestyle is the norm. Unfortunately, during adolescence, these two factors are usually in great deficit.

Previously, the same scientists found that excessive consumption of fatty foods during pregnancy also creates a harmful tendency to overeat in future offspring. In general, it should be stated that pregnancy is a greater responsibility than some people believe.

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