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Nick Norwitz MD PhD

Nick Norwitz MD PhD

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Oxford PhD and Harvard MD focused on metabolism, cardiometabolic risk, brain aging, and nutrition science.

Ketogenic Diet May Counteract Genetic Lp(a) Vascular Damage
Social•Apr 6, 2026

Ketogenic Diet May Counteract Genetic Lp(a) Vascular Damage

Can you fix Lp(a) With Diet? Let's go inside the artery... 1/2) Lp(a) is a genetically determined risk factor for cardiovascular disease. But that doesn't mean you can't change your risk. In today's deep-dive video (21 minutes, just released and linked I the comments), we delve into a new mechanistic perspective on how Lp(a) damages blood vessels. We also explore whether a well-formulated ketogenic diet can help interrupt this mechanism.

By Nick Norwitz MD PhD
Creatine Plus Probiotic Eases Depression via Gut‑brain Energy Boost
Social•Apr 2, 2026

Creatine Plus Probiotic Eases Depression via Gut‑brain Energy Boost

1/2) New placebo-controlled human randomized controlled trial finds creatine + a specific probiotic is effective in treating depression. The mechanism is fascinating, involving the probiotic increasing creatine transporters in the gut, leading to increased brain energy metabolism. If you're passionate about this...

By Nick Norwitz MD PhD
Trim Visceral Fat to Neutralize High Lp(a) Risk
Social•Apr 1, 2026

Trim Visceral Fat to Neutralize High Lp(a) Risk

Lp(a) is the new Voldemort of cardiology—a genetically determined risk factor that can raise your risk of heart disease by >200%. And while elevated Lp(a) is largely written into your DNA, there’s good news: You may be able to neutralize its...

By Nick Norwitz MD PhD
Sleep Deprivation Triggers Hormone That Fuels Heart Disease
Social•Mar 28, 2026

Sleep Deprivation Triggers Hormone That Fuels Heart Disease

Sleep loss can causally drive heart disease. 1/2) Here's how it works: Sleep loss causes release of a brain hormone (hypocretin) --> goes to bone marrow to simulate the production of inflammatory cells --> these go to arteries and drive atherosclerosis But...

By Nick Norwitz MD PhD