The Month in Metabolic Health: September 2022


In this monthly article, we’ll sum up our favorite stories, research, podcasts, and videos—from Levels and elsewhere—across metabolic health.


Four Top Stories on Metabolic Insights:






Three Research Studies That Caught Our Eye

Feeling anxious or blue? Ultra-processed foods may be to blame

tl;dr: In a large study of American adults, those who often ate ultra-processed foods were more likely to experience mild depression and reported more anxious or “mentally unhealthy” days.

(Newswise) (Original Study)

Study suggests possible link between artificial sweeteners and heart disease

tl;dr: An extensive online survey showed an association between artificial sweetener use and risk of cardiovascular disease (e.g., heart attack and stroke) among 103,388 French adults.

(Medical Xpress) (Original Study)

Screen time and the risk of metabolic syndrome among children and adolescents: A systematic review and dose-response meta-analysis

tl;dr: Assessing data from seven studies of children and adolescents, researchers found that, for every two hour increase in screen time, the odds of developing metabolic syndrome rose by 29%.

(Nutrition, Metabolism, and Cardiovascular Disease)



Four Things to Watch and Listen To

Levels member and “health ninja” Dave Phillips on how he supercharged his prostate cancer recovery through diet and lifestyle changes.


Serious Keto explores the theory that, by freezing and toasting bread, you can change how your body responds to its carbs.


Dr. Casey Means talks to Bari Weiss about why she left her medical residency, the healthcare industry’s backward incentives, and more.

Nutrition coach Brigid Titgemeier explains how her clients improve their metabolic health in just ten days.