Why Did Our Brains Stop Expanding?

In the forest the human brain was expanding at a phenomenal rate. Around 200,000 to 150,000 years ago, this process came to an end. The brain stopped expanding and started to shrink. Brain shrinkage appears to coincide with major dietary change.

Discover the transformative power of breathwork: unlock vitality, healing, and self-discovery.

Hear from the RS community in our new video series, spotlighting shared experiences and stories with plant medicines, psychedelics, consciousness, dreams, meditation, etc.

Welcome to Reality Sandwich. Please verify that you are over 18 years of age below.

Reality Sandwich uses cookies to ensure you get the best experience on our website. By entering Reality Sandwich, you are agreeing to the Terms and Conditions and Privacy Policy.