Dr Stein's study will attempt to find out more details about how the supplements work.

ECONOMIST: Diet and behaviour

Heart-rate variability, says Dr Stein, is a good index of the degree of control an individual has over his autonomic nervous system (which controls many of the internal organs).

ECONOMIST: Diet and behaviour

In this segment Dr. Stein addresses defense and the health elements of the Green New Deal.

FORBES: Jill Stein On Defense And A Healthier Country

In my interview I addressed the tax return issue with Dr. Stein (They are coming.), got further into her background and closely questioned her about a number of items on the Green Party Platform.

FORBES: Not Your Average Jill Stein Interview

Dr. Robert Stein, professor of cardiology at the New York University School Medicine, agrees.

CNN: STORY HIGHLIGHTS

Known as the doyen of Northern Ireland football writers, Dr Brodie was respected by many of the game's legendary figures including Matt Busby, Jock Stein and George Best.

BBC: Malcolm Brodie: Renowned NI sports journalist dies