Staying seated for a long time would favor the breeches ...

Studies suggest that sitting time is the size of the posterior. So it's not just dependent on what you eat, and diet is not the only factor of obesity. The pressure imposed on the buttocks by the sitting position plays a role. We even think that it is a very important action. The pressure experienced by the cells of the posterior during a prolonged sitting position causes a modification of the fat, more particularly lipid droplets which convey the fat. Unlike muscles and bones, which weaken mechanically when little used, fat deposits in the cells extend when they are under prolonged pressure by about 50%. These lipid droplets, instead of weakening, become more rigid and deform the cells that surround them.

The storage of fats was not - one wonders why considering the potential market - a big area of ​​research. This changes, especially since we started to focus on the adipocyte, this is the so-called cell that stores fat. It has long been considered - wrongly - as a "good big cell" without interest ...

200 Billion

In humans, at the age of 15, the ideal number is 20 billion cells. When growing in "acceptable" proportions, the number of fat cells does not increase. They grow and can multiply their size by 50, which is already pretty beads! However, when all the reserves are full, the body, never refusing abundance is able to make new cells in frightening proportions: 200 billion filled to burst in big obese, ten times more than in a normal individual! In the form of "can", in men and in "women's breeches"

These cells do not disappear when you lose weight

When we lose weight, they lose their fat but we can never reduce the number. If we rely too much on these cells, they deform ... The researchers' goal is to understand the mechanism that modifies their shape. If they can explain it, they hope to develop new approaches to bring practical solutions to obesity. In the meantime, it is still possible to take the bull by the horns and opt for a more active lifestyle - whenever possible. Sedentary lifestyle, in addition to being a factor of obesity, proves to be a cardiovascular risk factor. According to WHO, it kills 3 million people each year.

Video: The Night Before Critmas (April 2020).