Physiologically Speaking

This newsletter is here to help you get fit and healthy in a sustainable way. Reading these posts will guide you toward a healthy lifestyle through practical examples, tips, educational material, and myth busting.

Join 15k Substackers for our picks of the most beautifully written books from US and UK prize shortlists and major reviews, extracts from these picks, and masterclasses by their authors on prose style. The Demon Inside David Lynch forthcoming.

Health and Performance: Simplified, Verified, Amplified.

It's time to talk about nutrition and health with the people who you love most

I have been training and racing endurance events for over 25 years. Professionally, I compete in ultramarathons, coach, and host the Human Performance Outliers Podcast. On here, I write about topics and questions I have received over the years.

Heart rate variability, stress, training, life, and other ramblings

Your guide to healthy Jewish living and Israel's natural world.

Endurance Training & High Performance Habits

High performance as a student-athlete

Summarizing the week's biggest neuroscience discoveries in plain English!

Registered Dietitian & PhD: I write about macronutrients & metabolism, share diet plans, debunk myths & shred BS nutrition claims. 👍

A newsletter to keep you updated with great new scientific research.

I write and podcast about the intersection of self-awareness and human potential. Prev. startup founder Previously exited startup founder.

Teaching health before pushing pills. Helping you become independently healthy. Making hospitals obsolete.

Linking the Why's, How's, and What's of Health and Fitness.

Number 1 Ranked Health & Wellness Substack: Newsletter covers fitness, health, and mindset, all grounded in the fundamentals of physiology.

Human performance & nutrition, e-commerce, marketing, start-ups, and culture

Value Investing, Life/Philosophy and Classical Music Explained

Insights to help you strive, thrive, and optimize