Florida neuroscientist shares 3 foods that can damage and shrink your brain: ‘It impairs memory, sleep…’

Published on: Nov 12, 2025, 17:59:23 IST

By Eshana Saha

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Nutrition directly influences your brain health, according to Robert. (Unsplash)

What you eat can directly influence your overall health, including the brain. Neuroscientist Robert Love shares 3 foods that quietly damage your brain.

What you eat doesn’t just affect your waistline - it shapes the way your brain functions. Nutrition plays a crucial role in brain health because the body and mind are deeply interconnected; when one system is inflamed or imbalanced, the others are impacted too. Over time, regularly consuming certain unhealthy foods can impair memory, disrupt focus, and even damage brain cells.

Also Read | Neuroscientist shares 3 major risk factors for developing Alzheimer's disease: Vitamin deficiency, inflammation, more

Robert Love, a Florida-based neuroscientist who specialises in Alzheimer’s prevention, has revealed three common foods that could actually shrink and harm your brain. In an Instagram video shared on November 4, the neuroscientist breaks down how these foods affect the body, and in turn, damage the brain.

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A post shared by Robert W.B. Love (@robertwblove)

Seed oils and ultra-processed food

According to Robert, seed oils such as peanut oil, canola oil, and other refined or processed vegetable oils can be harmful to brain health. He explains, “First of all, these oils are highly processed in a way that creates inflammation. Inflammation is really harmful to the brain. It's one of the primary risk factors of Alzheimer's disease.” He also recommends avoiding ultra-processed foods because they are loaded with these highly processed oils, making them extremely harmful for the brain.

Refined sugar

The neuroscientist advises cutting down on refined sugar, explaining that the human body isn’t designed to process such concentrated forms of sugar. He explains, “The sugar our bodies are used to is sugar found in nature which is basically fruit. Fruit is great for your brain, especially organic fruit. But when you eat refined sugar, that can spike your insulin, spike your blood glucose and that creates inflammation. And inflammation damages your brain.”

Alcohol

Robert emphasises that alcohol not only damages the brain but also contributes to memory loss. He points out that nearly 50 percent of adults over the age of 21 in the United States regularly consume alcohol - meaning a significant portion of the population is routinely ingesting something that actively harms the brain.

The neuroscientist notes that alcohol hurts the brain in a variety of ways, stating, “Number one, it impairs memory. Number two, it impairs sleep. Sleep is essential for a healthy brain. And number three, it hurts your gut bacteria. What's good for your gut is good for your brain. So by harming your good gut bacteria, that can actually harm your brain.”

Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. It is based on user-generated content from social media. HT.com has not independently verified the claims and does not endorse them.

ABOUT THE AUTHOR
Eshana Saha
Eshana Saha is a fresh face in lifestyle and cultural journalism, bringing a refined, multidisciplinary perspective to the intersection of entertainment, fashion and holistic wellbeing. With less than a year of professional experience, she has quickly adapted to high-pressure editorial environments and currently works full-time with HT Media. Prior to this, she interned for nearly six months with Hindustan Times’ entertainment and lifestyle vertical, where she gained hands-on experience in digital reporting, trend analysis and editorial storytelling. Based in New Delhi, Eshana specialises in comprehensive coverage of major cultural moments — from international film press tours to the curated aesthetics of global fashion showcases, award shows and music-centred events. She holds a Bachelor’s degree in English from St Xavier’s University, Kolkata, and a Master’s degree in English from the University of Delhi, equipping her with a strong academic foundation and a keen ability to deconstruct complex cultural trends into clear, high-impact narratives. Beyond the red carpet, Eshana has developed a growing focus on health and wellbeing reporting. She bridges the gap between celebrity-driven trends and practical, evidence-informed lifestyle advice, ensuring her work remains both aspirational and grounded in editorial rigour. She has extensively covered the health implications of Delhi’s air pollution crisis, while also playing a key role in amplifying expert-led insights on women’s health and mental wellbeing, helping translate complex medical perspectives into informed, impactful public awareness. An artist at heart, she explores multiple creative forms — from visual arts and music to culinary experiments — and brings a creative’s eye for nuance, texture and detail to every story. Whether analysing runway dynamics or examining emerging wellness movements, she remains committed to accuracy and the highest standards of contemporary journalistic ethics.Read More

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