Patients were randomly assigned to lower their HbA1C either below 7% or all the way below 6%.

FORBES: Not So Sweet

Patients were randomly assigned to lower their HbA1C either below 7 or all the way below 6.

FORBES: All The Wrong Numbers

Although HbA1c didn't change significantly for people who did aerobic training only or resistance training only, it fell by 0.34 percent in the combination exercise group.

CNN: Weights plus walking equals more fit in less time

The reduction in HbA1c seen in the combination exercisers would translate to a 5 percent to 7 percent reduction in heart disease risk, according to Church and his colleagues.

CNN: Weights plus walking equals more fit in less time