One who resides in the same environment flexes our stretching is inevitable. Well why did you ever think about it Do you? Just like an infectious disease A few details about the movement we have investigated for you. Human the least information between the behavior and the exact reason One of the most unexplained cases is stretching. First about yawning The research was conducted by the Greek physician Hippocrates 2500 years ago. Work as a result of yawning after the illness of the bad air in the body cleaning function.
There is no need to stretch someone just for yawning. Sometimes, thinking about this subject or even thinking about it causes this movement. There is no answer that scientists offer to the question whether yawn is infectious or not. Some people think that stretching is infectious, while some have decided that stretching is not infectious. The first question people looking for answers is the question . Some argue that the yawning is a sign of squeezing, while others argue that the flexion maintains the carbon dioxide and oxygen balance in the blood.