Start with high-confidence health resources books, then narrow by subgenre or adjacent topics.
The End of Diabetes
Joel Fuhrman M.D., Joel Fuhrman
The Pilates Edge
Daniel Loigerot, Karrie Adamany
Herbal Formularies for Health Professionals, Volume 5
Jill Stansbury, Dr. Jill Stansbury
The Mayo Clinic Diet, 3rd Edition
Donald D. Hensrud M.D. M.P.H., Donald D. Hensrud