I highly recommend this book. I read the first edition in 2009, which was published in 1995. The second edition (published 2017) has even more compelling, up-to-date evidence that bras are not healthy. I particularly appreciate the section on bra-free fashion tips.
Therapeutic Breast Massage and Continuing Education
Singer, Sydney Ross, Grismaijer, Soma: 9780757004629: Books
Dressed to Kill―Second Edition: The Link Between Breast Cancer and Bras
Undercover FBI Agent Details Decades Of Human Trafficking Stings
Global Maritime History Review: Miller Dressed to Kill - Global Maritime History
Dressed to Kill (1980) - IMDb
The 50 best TV and movie detectives of all time
Book Review: 'Parasol Against the Axe,' by Helen Oyeyemi - The New York Times
Up to 90% off Textbooks at Canada. Plus, free two-day shipping for six months when you sign up for Prime for Students.
Dressed To Kill: A Biblical Approach To Spiritual Warfare And Armor
Book Review: Dressed to Kill Second Edition: The Link Between Breast Cancer and Bras — Breast Remedy
Miss Dior: A Story of Courage and Couture, Pritzker Military Museum & Library
Dressed to Kill (1980) - IMDb
Dressed to Kill: The Link Between Breast Cancer and Bras: Sydney Ross Singer, Soma Grismaijer: 9781930858053: : Books
Dressed to Kill at 40: Brian De Palma's thrilling yet problematic shocker, Brian de Palma