extremely complex system
Everyone knows how difficult it is to stay in an unventilated area for a long time: headache starts to ache from stuffiness, lethargy, weakness, drowsiness appear … Many people explain this by the lack of oxygen. And they are mistaken.
In the air of a poorly ventilated room, the oxygen content decreases so slightly that it can not have any negative effect on the body. Glory, for example, about the beautiful air of Kislovodsk spread throughout the world. And in this city. Continue reading
The first menstruation (it is called menarche) is an important event in the girl’s life. Unexpectedly, she, as a rule, does not happen – older girlfriends inform. And under the influence of these conversations, some girls are even afraid of the onset of menstruation. Unfortunately, for some reason, many mothers are embarrassed to talk with their daughters about this in detail, limited only to hygienic advice. Continue reading
Amazingly familiar situation. They put the necessary thing somewhere and cannot find it, and then say to yourself: “Sclerosis!” The youth utters this word with coquetry, and in the voice of an elderly person there is annoyance.
Most people consider this kind of forgetfulness a sign of age-related memory loss, although in this case it’s just a lack of attention. And since memory is closely related to intellectual activity, an older person may experience a pessimistic reassessment of his abilities, which he associates with the onset of old age. Continue reading