Aug 17, 2026 · 54 min · 14 segments
For decades, medicine has treated memory loss, brain fog, and neurodegenerative disease as inevitable — but what if the real battle is happening at the cellular level, inside your brain's own immune…
David PerlmutterGuestWe'd be eating wonderful non-processed foods, but the threats from our environment are very real.
The common supplements like vitamin D, for example, most people go to their doctors and the vitamin D level is forty, the doctor will say, "Well, your level's sort of in the normal range." It's just not good enough anymore.

David Perlmutter is an American doctor, author- Low-carbohydrate diet advocate and promoter of functional medicine.

Dr. Amen and David discuss how lifestyle choices can have an effect on your brain.
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