Start with high-confidence healthcare issues books, then narrow by subgenre or adjacent topics.
Overdosed America
John Abramson
Bottle of Lies
Katherine Eban
Crooked
Cathryn Jakobson Ramin
An American Sickness
Elisabeth Rosenthal
Never Pay the First Bill
Marshall Allen
No More Tears
Gardiner Harris
Random Acts of Medicine
Anupam B. Jena, Christopher Worsham
AIDS
Gary Null, James Feast
Bad Influence
Deborah Cohen, Blackstone Publishing
The Pain Brokers
Elizabeth Chamblee Burch
The Company That Solved Health Care
John Torinus