Eating alone may be a recipe for heart trouble if you're an older woman, Korean researchers suggest.

Those who eat by themselves are likely to eat faster and less healthily, which can lead to weight gain, higher blood pressure and cholesterol levels, increasing the risk for heart disease, the new study found.

"Women who live alone, who aren't cooking for a family or their husband, t...

Widowers have a higher risk for advanced prostate cancer than men who are part of a couple, Canadian researchers say.

The new findings are from an analysis of 12 studies comparing 14,000 men newly diagnosed with prostate cancer and 12,000 healthy men.

The study -- recently published in the European Journal of Epidemiology -- suggests that social environment is an important ...