Physiologically Speaking

A weekly Substack guide to rebuild emotional intimacy in your marriage. Why distance quietly creeps in, how emotional intimacy & mental health shape connection. The exact language & practices that help you feel like a team again, without therapy or blame.

Useful information 3x a week about health, fitness, nutrition, mindset, and performance. (Lock in legacy Member pricing, forever, before May 1.)

Your weekly guide to wellness with wisdom, the Land of Life (Israel), and sensible spirituality.

Evidence-based strength and conditioning articles. Subscribe to get the free "Strong in 60 Minutes Per Week" guide found in the welcome email!

Trusted by 70K+ readers, we pick the best-written books from US and UK new releases and prize shortlists, and publish articles by world-class authors on prose style and AI writing. Plus the satire The Demon Inside David Lynch.

A physician /longevity author's take on midlife health, movement, and resilience. I write about fitness, longevity, mindset, and the quiet cost of stillness. Sometimes, it is orthopedic and always focused on living stronger—on purpose.

Endurance Training & High Performance Habits

Value Investing, Life/Philosophy and Classical Music Explained

Navigating healthcare’s blind spots from bench to bedside

A sustainable approach to high performance.

Evidence-based neuroscience, brain health, and longevity strategies from a neurophysiologist. Protocols for sleep, performance, and aging well.

Practicing gastroenterologist and writer, giving readers a peek behind the curtain of the medical profession.

Getting stronger, faster and more capable. Without burning out.

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.

Training. Nutrition. Shoes. Motivation. Injury Prevention. Your weekly digest of all the latest running information, from Brady Holmer

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

Heart rate variability (HRV), Endurance Coaching, Technology, Life, and other ramblings

We are passionate about living healthy lives and helping others do the same. We succinctly cover Health & Fitness topics weekly. Krista is a Doctor of Physical Therapy (DPT), and Levi is a certified personal trainer (CPT).

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

Concise summaries of the past week's neuroscience discoveries

Tracing the steps towards scientific progress.

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

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