September 26, 2009
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Currently many women develop one unwanted problem during pregnancy - ectopic pregnancy. Ectopic signifies 'out of place'; quite often this health disorder can lead to unwilled result. What is the reason for ectopic pregnancy? The main cause is that a fertilized egg starts growing outside the womb. Read more…
September 04, 2009
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Healthcare
According to American Healthcare Association above 60% of US citizens suffer from excessive weight. The causes for this are stress, lack of eating culture - namely harmful way of life, lack of movement in our life. However, people don't consider weight loss until they become bothered by accompanying troubles with health caused by extra weight: problems with blood vessels, high cholesterol, diabetes, elevated blood pressure. Read more…
September 03, 2009
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There're many married couples who want to have a child of a certain sex. But the query if it is feasible to program the sex of a kid beforehand is rather vital.
Men play a decisive role in identifying of the baby's sex. X-chromosome exists in every ovule and may be in one pair with Y-chromosome in diploid cells. Both chromosomes (X and Y) are included in male sex cells. That's why sex chromosome of a male determines sex of a kid. If ovules would be fertilized by the same cells (which is impracticable), simply girls would be born. Though, history sees many families having kids only of a single sex. The fertility of boys and girls is approximately identical but still there is a tendency to superiority of boys. For people who would like to distract their notice from all those tiresome speculations there's escorts kiev.
When the semen permeates into the ovicell, the process of approaching of nuclei starts. Nuclei grow in size and that is why there starts the procedure of originating chromosomes from the heterochromatin which is a raw material. Chromosomes are enveloped by a slender membrane that lacerates in two cells at the proper time. The nuclei of both cells approximate each other and merge into a single nucleus. As a result of nuclei merger ovicell changes into a germ with new genetic material.
It was thought in the years of old that boys appear from the left testis, and girls - from another one. Various acrobatic positions were advised for couples that longed to originate a baby of a definite sex. Read more…
September 01, 2009
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Medicine
These days psychologists and social workers of an amount of lands are utterly anxious about the psyche of future generation. Medical surveys show that every day more young people get into depression and are disposed to take their own lives. The reasons for this may be several but the meaningful one is the sense of loneliness and incomprehension. There are, however, various subcultures like emo, punk and goth that find adherents all over the world.
Social workers and parents frequently complain about the pernicious impact of these youth formations on the mind of teenagers. Quite the opposite is the statement of psychologists who affirm that these subcultures help young people to outlive life extremities and hardships of adolescent period. Let's take emo subculture as a sample. Notwithstanding the living social belief that emo teenagers are hostile, these boys and girls display as much deference to everyone irrespective of their ethnic belonging or religion. The most important thing is that emo young people are able to throw down the gauntlet to the standards of society by means of emo clothes and outward appearance. The style in which emo boys and girls dress up may raise debatable opinions of typical people: there's no distinction whether it's a girl or a boy, both dress up tight-fitting black pants and T-shirts with colorful badges and thongs, sportive footwear and bags in the back. It's not the desire to vary from other people or to affirm something but just the method of self-actualization. The anger of some people might as well be aroused by the appearance of emo people. Read more…