Switching to Healthy Diet Cannot Always Reverse Brain Damage from Ultra-Processed Foods

What was said

"Interestingly when some of those patients adopted the Mediterranean diet, the DASH diet, that dietary approach to stop hypertension or the Mediterranean DASH diet after the initial survey, the brain altering effects of UPFS persisted. This means switching to a healthier diet can't always reverse the damage done."

A 2024 Harvard Medical School study found that the neurological damage caused by ultra-processed food consumption may be irreversible even after dietary improvements. This suggests a feed-forward cycle where damaged M1 microglia cells continue to convert healthy M2 cells, perpetuating brain destruction. The finding underscores the critical importance of early intervention rather than relying on late-stage dietary correction.