Health summaries

A pediatric nutrition doctor explains why breastfeeding, not birth mode, drives long term infant health outcomes.

Without enough fiber, gut bacteria eat your protective mucous layer instead, weakening the barrier that keeps your colon healthy.

A practical grocery store guide to real food safety risks, from pesticides and mercury to food packaging chemicals and kitchen cross contamination.

A 49 year old trains to dunk a basketball, turning tendon strength, VO2 max, and vertical jump into a real world test of healthy aging.

A skin prep routine for makeup after 40: hydration, under eye care, and how to pick a moisturizer for the occasion.

Dr. Mark Hyman explains how the gut-brain axis drives brain fog, and the five foods that most often trigger it.

Cardiologist Eric Topol and genomicist Marios Georgakis unpack why the ZEUS and HORIZON trials missed, and what it means for CRP testing.

Dr. Neil Nathan explains why treating chronic illness in the wrong order makes patients worse, and the tests that find the real root cause.

Dr. Andy Galpin breaks fitness into nine measurable adaptations, with home tests and target numbers for each one.

A dental hygienist breaks down when a deep cleaning is legitimate, the seven questions to ask, and why comment sections skew negative.

Dr. Eric Helms explains when body fat, not calories, decides whether you gain muscle in a deficit, at maintenance, or in a surplus.

Optispan's doctors fact-check Peter Attia's rapid-fire on hormone therapy, testosterone, seed oils and microplastics.

A hepatologist explains why fatty liver often goes unnoticed, why fibrosis matters more than fat, and how FIB-4 and fibroscan catch it early.

Behavioral scientist Arthur Brooks explains the three parts of happiness and why meaning matters more than pleasure for a satisfying life.

A Stanford psychologist explains the science of joy and seven free resources you already have to feel like yourself again, even in hard times.