Dr. Tina M. St. John
MD
Dr. St. John is a medical writer and editor with more than 15 years experience in the field. She is a former medical officer for the Centers for Disease Control and Prevention.
- Author (36)
- Reviewed (5)
By Tina M. St. John
![Potassium phosphate deli meat charcuterie board](https://img.livestrong.com/375/clsd/getty/de78dbba57044f0a81632be6f70f1b33.jpg)
Nutrition
By Tina M. St. John
![Taking Pueraria mirifica supplement](https://img.livestrong.com/375/clsd/getty/40c61b4fa5a242c6ad85a6ed0f764bb6.jpg)
Nutrition
By Tina St. John and Marygrace Taylor and Bronte Yang
![a person with short black hair and beard lying on a grey couch with eyes closed and feeling pain under the right rib](https://img.livestrong.com/375/clsd/getty/49a478bfa03149bfa793839854acaf3e.jpg)
Health