Books

You’re Not Sick, You’re Thirsty - Dr. Fereydoon Batmanghelidj
Buy the book: Available on Amazon
I recommend starting with this book, the original resource which taught me about the importance of hydration. Released in 2003, but still a great read to understand the basics.

Quench - Dr. Dana Cohen & Gina Bria
Buy the book: Via author's website
Quench explains how to optimize hydration by eating water rich foods, and discusses other healthy habits around hydration. Inspired in part by the work of Dr. Batmanghelidj.

Breath: The New Science of a Lost Art - James Nestor
Buy the book: Via author's website
This book changed the way I look at breathing. Packed with practical tips, and based on a scientific experiment the author was part of himself.

The Salt Fix - Dr. James DiNicolantonio
(Why the Experts Got it All Wrong and How Eating More Might Save Your Life)
Buy the book: Available on Amazon