The new global study involved data on more than 400,000 people from 38 different trials. Their health was tracked for an average of more than 13 years, but some were followed for up to 43 years.
from WebMD Health webmd
The new global study involved data on more than 400,000 people from 38 different trials. Their health was tracked for an average of more than 13 years, but some were followed for up to 43 years.
