Could ‘longevity pill’ help you live longer and healthier?Play Video - 3:52
September 8th, 2017
Could ‘longevity pill’ help you live longer and healthier?
A new study will investigate whether metformin, a common medication, could slow the onset of such ailments as cancer, diabetes, Alzheimer’s and heart disease, radically changing how aging is treated in America. NBC News special correspondent Maria Shriver reports for TODAY.