Laura Middleton says other studies of exercise and cognitive skills have found a stronger link in women than in men.

VOA: special.2010.07.07

But some studies have suggested they could because of a suspected link between inflammation and diabetes.

VOA: special.2009.05.19

In times of extreme hardship, the human brain may have developed a way to create a social link, the sense of a helpful and guiding partner.

VOA: special.2010.02.24

Yet studies have shown a link between a larger shrinkage and Alzheimer's disease.

VOA: special.2010.10.05

Studies have found a link between the disease and some chemical products.

VOA: special.2009.04.07

Earlier studies have shown a link between job loss and worsened health.

VOA: special.2009.06.09

Other studies since then have failed to show such a link.

VOA: special.2010.02.24

Samples have been sent to a lab for analysis to see if there is any link to the Gulf oil spill.

VOA: standard.2010.05.18

Now,researchers have identified a link between the body's system for regulating iron and breast cancer.

VOA: standard.2010.08.05