Watch out, Snake! That's Alzheimer's! Alzheimer's is a brain disease that attacks your memory and thinking skills, until you can't do even simple tasks. Although the first recorded case was found in 1901, there still isn't a cure, so use all your legendary soldier skills to keep from getting it. If you need more information, call Professor Granberg on codec frequency 141.22. You've survived this long on the battlefield by adapting, Snake: but to beat this enemy, you'll have to adapt your lifestyle