Justin Smith is a science writer and health practitioner.
For four years, Justin was based at the BBC in West London as a personal trainer. He has also worked with professional and Olympic level athletes.
As a science writer, specialities include cholesterol, heart disease, type 2 diabetes, obesity, general fitness and nutrition.
Justin Smith is the author of the book $29 Billion Reasons to Lie About Cholesterol.
Justin also has a degree in engineering. He was a competitive cyclist for nine years, and has been trekking in the himalayas on several occasions.