Foods to Avoid, Foods to Enjoy. Much of this information has been on the site for years but has been buried deep in the sections that have required tedious scrolling to find them. Thankfully, a Website upgrade has changed all of that.
Brain lesions are areas of injury or disease in the brain. Lesions may be due to infection, tumors, exposure to certain chemicals, problems with the immune system, and demyelinating diseases such as Multiple Sclerosis. Sometimes the cause is not known.
Some brain injuries cause focal -- or localized -- brain damage, such as the damage caused when a bullet enters the brain. In other words, the damage is confined to a small area. Closed head injuries frequently cause diffuse brain damage, which means damage to several areas of the brain.