HOW DO HEAD BLOWS AFFECT THE BRAIN? Though the brain is jello-like in texture and cushioned in cerebrospinal fluid, a powerful hit-from a hard tackle, a fist or bomb shock wave-can cause a concussion, forcing the brain to ricochet back and forth inside the skull. Scientists believe genes probably play a role and may explain why some people with repeated head blows never develop the disease.

Here is more info on spain jersey 2022 visit the website.