The Journal · essays · notes · field reports

The Journal.

Notes from our conversations, experiments and reading. Written by Niko & Miguel, roughly every Friday, roughly six minutes, always in plain language.

Episode notes · from recent conversations
№ 16
● Geroscience

Rapamycin, NAD and the truth about slowing aging, with Dr. Matt Kaeberlein

Ep. 16 notes·Sep 20, 2026·1h 11m
№ 15
● Metabolic health

Everything you know about calories is wrong, with Dr. Robert Lustig

Ep. 15 notes·Sep 06, 2026·1h 10m
№ 14
● Rejuvenation

The first person to live to 1,000 — Aubrey de Grey on repairing aging

Ep. 14 notes·Aug 23, 2026·1h 02m
№ 13
● Cancer genomics

What actually causes cancer — Dr. Moritz Przybilla on what the internet got wrong

Ep. 13 notes·Aug 09, 2026·51 min
№ 12
● Biogerontology

Aging is not a disease — Prof. Suresh Rattan on what actually matters

Ep. 12 notes·Jul 26, 2026
№ 11
● Healthspan

Everything we've been told about living longer is wrong — Dr. Jack Kreindler

Ep. 11 notes·Jul 10, 2026
№ 10
● Nutrition

What actually works in nutrition & supplements — Bas Kast

Ep. 10 notes·Jun 29, 2026
№ 09
● Functional medicine

Functional medicine & root-cause care — Dr. Peter Martin on 5,000+ patients

Ep. 09 notes·May 31, 2026
№ 08
● Longevity medicine

The truth about peptides & longevity medicine — Dr. Anand Vinjamoori

Ep. 08 notes·May 06, 2026
№ 07
● Longevity

Geriatrician: most aging is preventable — we just start too late

Ep. 07 notes·Apr 19, 2026
№ 06
● Prevention

The hidden phase before disease — why prevention starts earlier

Ep. 06 notes·Apr 06, 2026
№ 05
● Primary care

Primary care is broken — Dr. Sukhjit Takhar on rebuilding medicine

Ep. 05 notes·Mar 23, 2026
№ 04
● Longevity

Bridging the gap in longevity care — Dr. Hilary Lin

Ep. 04 notes·Mar 07, 2026
№ 03
● Metabolic

The intersection of longevity, medicine & psychology — Dr. Rhea Kotecha

Ep. 03 notes·Feb 20, 2026
№ 02
● Longevity

Mastering midlife — essential strategies for health & longevity

Ep. 02 notes·Feb 13, 2026
№ 01
● Manifesto

What is Return on Health? — the manifesto episode

Ep. 01 notes·Feb 12, 2026