4 Nuts That Could Harm Your Brain (And 4 That Protect Against Dementia)

Some nuts, especially when eaten in excess or in certain forms, may contribute to inflammation or expose your body to harmful compounds. Others, however, are powerful allies in protecting cognitive function and reducing the risk of dementia.

Here’s a closer look at which nuts to limit—and which ones to embrace for better brain health.

Nuts That Could Harm Your Brain

1. Bitter Almonds

Unlike the sweet almonds most people eat, bitter almonds contain compounds that can release cyanide when metabolized. Even small amounts can be toxic, potentially affecting the nervous system and brain function.