David Barker's study found that low birth weight equals higher risk of early cardiovascular mortality.

“what David Barker found and this was in the nineteen twelve I think and what he found was he looked at a hundred thousand people in the UK and he looked at records that showed that birth weight was inversely proportional to mortality from heart disease and literally when they've reproduces they found this in every continent so low birth weight equals higher risk of cardiovascular mortality and early cardiovascular mortality”