Mind & Matter

How Genes & Environment Shape Your Brain: ApoE, Alzheimer's & Space Radiation | Jacob Raber | 254

26 Sep 2025

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Send us a textGenetic & environmental factors that affect brain health, including why people age faster in outer space. (Note: technical difficulties affected the audio quality of this recording somewhat)Episode Summary: Dr. Jacob Raber explains how apolipoproteins, particularly ApoE, influence brain health and disease risk; their role in cholesterol metabolism, Alzheimer’s disease, and responses to environmental stressors like radiation and viral infections; interplay between genetics, diet, and lifestyle factors, highlighting how these affect cognitive function and resilience to stress; research into space radiation, the gut-brain axis, and potential interventions for neurodegenerative diseases.About the guest: Jacob Raber, PhD, is a neuroscientist at Oregon Health & Science University (OHSU) in Portland, where he leads a lab studying genetic and environmental influences on brain health, particularly using mouse models with human genes.Discussion Points:Apolipoproteins (ApoE2, E3, E4) are proteins involved in cholesterol and lipid metabolism in the brain, with ApoE4 increasing risks for Alzheimer’s and cardiovascular disease.ApoE4 carriers may face higher risks for cognitive decline but could have advantages in specific contexts, like fertility or certain infections.Environmental stressors, such as space radiation and viral infections like West Nile, can exacerbate oxidative stress, impacting brain health.The gut microbiome influences brain function indirectly via the gut-liver-brain axis, with ongoing studies exploring its role in Alzheimer’s and traumatic brain injury.Lifestyle factors like diet, exercise, and sleep are critical for brain health, potentially mitigating genetic risks like ApoE4.Statins, commonly used for cholesterol management, may impair learning in healthy animals, suggesting context-dependent effects.Research into space radiation reveals potential therapeutic applications, such as using heavy ion radiation for cancer treatment.Genetic variations, including ethnicity and sex, influence ApoE-related disease risks, with women and certain populations showing higher Alzheimer’s susceptibility.Chronic low-level stressors, like air pollution, may pose greater risks to brain health than acute exposures due to insufficient activation of protective mechanisms.Related content:Support the showAffiliates: Lumen device to optimize your metabolism for weight loss or athletic performance. Special sale Nov 10 - Dec 1: Lumen is half off ($599 → $299), and MINDMATTER gets another 15% off. AquaTru: Water filtration devices that remove microplastics, metals, bacteria, and more from your drinking water. Through link, get $100 off for AquaTru Carafe, Classic and Under the Sink Units, and $300 off Freestanding models. Seed Oil Scout: Find restaurants with seed oil-free options, scan food products to see what they’re hiding, with this easy-to-use mobile app. KetoCitra—Ketone body BHB + electrolytes formulated for kidney health. Use code MIND20 for 20% off any subscription (cancel anytime) For all the ways you can support my efforts

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13:00H | 21 DIC 2025 | Fin de Semana

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10:00H | 21 DIC 2025 | Fin de Semana

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12:00H | 20 DIC 2025 | Fin de Semana

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2ª PARTE | 06 ENE 2026 | EL PARTIDAZO DE COPE

01 Jan 1970

El Partidazo de COPE

3ª PARTE | 22 ENE 2026 | EL PARTIDAZO DE COPE

01 Jan 1970

El Partidazo de COPE

3ª PARTE | 04 MAR 2026 | EL PARTIDAZO DE COPE

01 Jan 1970

El Partidazo de COPE

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Mind & Matter

How Genes & Environment Shape Your Brain: ApoE, Alzheimer's & Space Radiation | Jacob Raber | 254

This episode hasn't been transcribed yet

Other recent transcribed episodes

13:00H | 21 DIC 2025 | Fin de Semana

10:00H | 21 DIC 2025 | Fin de Semana

12:00H | 20 DIC 2025 | Fin de Semana

2ª PARTE | 06 ENE 2026 | EL PARTIDAZO DE COPE

3ª PARTE | 22 ENE 2026 | EL PARTIDAZO DE COPE

3ª PARTE | 04 MAR 2026 | EL PARTIDAZO DE COPE

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