A concussion is a common injury in most physical sports or activity, although it can occur in many other situations. It is a Traumatic Brain Injury, which means that the brain is shook and has hit the inside of the skull, creating a shock, injuring nerve cells, damaging the blood vessels and causing bruising.
There are other more physical impacts, such as bad vision, dizziness, loss of equilibrium, unconsciousness and so on. Finally, it also plays on the emotional part of your brain, causing frustration earlier than it would happen normally, as an example.
The most annoying symptom in my... [+] Read more
The new world’s oldest competitive sprinter is now entering the Guinness World Record book at the age of 105. Just after he retires, he was not doing much. In fact, all he did was playing Japanese chest with friends or he was practicing calligraphy.
As his friends started to die from old age, he wanted to do something he could do by himself, alone. At the age of 93, he started to practice sprint. He completed his first 100-meter sprint at the age of 96.
This man, Hidekichi Miyazaki, father of 4 and grandfather of 10, completed the 100-meter sprint in 42.22 seconds on Wednesday. As a serious... [+] Read more