One week on a plant-based diet can significantly drop blood levels of homocysteine, a toxin associated with cognitive decline and Alzheimer’s disease. Without vitamin B12 supplementation, though, a long-term plant-based diet could make things worse. There are more benefits to lowering your methionine intake. Check out Methionine Restriction as a Life Extension Strategy (http://nutritionfacts.org/vide....o/methionine-restric and Starving Cancer with Methionine Restriction (http://nutritionfacts.org/vide....o/starving-cancer-wi more on brain health in general, see videos such as:• How to Slow Brain Aging By Two Years (http://nutritionfacts.org/vide....o/how-to-slow-brain- Preventing Alzheimer’s Disease with Diet (http://nutritionfacts.org/vide....o/preventing-alzheim Preventing Alzheimer’s Disease With Plants (http://nutritionfacts.org/vide....o/Preventing-Alzheim Reducing Glycotoxin Intake to Prevent Alzheimers (http://nutritionfacts.org/vide....o/Reducing-Glycotoxi a question for Dr. Greger about this video? Leave it in the comment section at http://nutritionfacts.org/vide....o/preventing-brain-l and he'll try to answer it!Image Credit: WikiImages via Pixabay.https://NutritionFacts.org• Subscribe: https://nutritionfacts.org/subscribe• Donate: https://nutritionfacts.org/donate• Podcast : https://nutritionfacts.org/audio• Facebook: www.facebook.com/NutritionFacts.org• Twitter: www.twitter.com/nutrition_facts• Instagram: www.instagram.com/nutrition_facts_org• Books: https://nutritionfacts.org/books• Shop: https://drgreger.org