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
Does everybody need to rest in the south?
What can turn month spent by the sea?
Do I need to take the children to the south?
The habit of a certain temperature of the environment, the amount of sunlight, even the time of sunrise and sunset is formed from generation to generation, creating a geographical stereotype of every living organism. Sharp changes in the usual living conditions require from him the stress of all the systems of regulation. Continue reading