A study published in Stroke last year involved about two thousand people with an average age of sixty-two.

VOA: special.2009.08.12

They include heart disease, stroke, type-two diabetes, osteoporosis and even some kinds of cancer.

VOA: special.2011.06.28

They include heart disease,stroke, type-two diabetes,osteoporosis and even some kinds of cancer.

VOA: special.2010.06.08