Start with high-confidence health resources books, then narrow by subgenre or adjacent topics.
The Thyroid Sourcebook
M. Sara Rosenthal
The Ultimate Workout Log
Suzanne Schlosberg
ACSM's Complete Guide to Fitness & Health
Barbara A. Bushman, American College of Sports Medicine
Jim Stoppani's Encyclopedia of Muscle & Strength
Jim Stoppani
Mayo Clinic on Digestive 4th Ed
Sahil Khanna M.B.B.S., Sahil Khanna
