Latterly famous for his breakfast cereal invention, John Harvey Kellogg was a religious zealot, eugenicist, and highly prominent early 20th Century quack
As pseudoscience flourishes in Brazil, What Nonsense! by Carlos Orsi and Natalia Pasternak seeks to redress the balance, and push back against irrationality
Many people who turn to alternative medicine are also vaccine hesitant - both factors are related to a distrust of, and lack of access to, mainstream medicine