Health Health

Why does our hair grow

Published on in category Health
Why does our hair grow Among other things, hair plays a very important social role in human life. They can have different colors, shapes, lengths, curvatures across different ethnicities. Hair is biologically almost identical to fur in animals. But people do not have hair on most of their body or do not have in distinct quantities. Why on the head we have it and why in such quantities? Read more

Why do we yawn

Published on in category Health
Why do we yawn The answer to the question why we yawn is not entirely clear. One theory states that yawning oxygenates the brain, and another that it cools the brain. Recent research tends to lean towards the second variant. The brain works better and falls asleep. Read more