Is calorie restriction enough to protect your brain? A new study says no. If you want to guard against Alzheimer’s, improve cognition, and support memory as you age.. you need to fast. Calorie restriction alone won’t cut it. It’s the ketones from fasting that protect the aging brain, especially during perimenopause when fog, anxiety, and irritability show up. Watch the full YouTube episode here: https://f.mtr.cool/dryvxxvcux | Dr. Mindy Pelz