Nancy Shute

Psychologists disagree on whether expecting your marriage to be a deeply fulfilling relationship makes it more likely that the union will thrive, or that it will doom you to disappointment.

So, psychologists, should we just go ahead and expect the worst after the honeymoon?

Eric O'Grey knew he was in trouble. His weight had ballooned to 320 pounds, and he was spending more than $1,000 a month on medications for high blood pressure, Type 2 diabetes and high cholesterol.

In 2010, a physician told him to buy a funeral plot, because he would need it in five years. He was 51 years old.

We all know ancestors give us our hair color, but the roots of gray hair have been less clear. Is it genetics, or stress?

Marie Antoinette supposedly went completely white the night before they lopped off her head. And our presidents seem to go gray much faster than those of us with less weighty roles.

It turns out you can blame Mom and Dad, at least a bit. Scientists say they've identified the first gene for gray hair.

The earlier a child with autism can be identified and get treatment the better, child development specialists say. So there's been a push to have pediatricians give all toddlers screening tests for autism during well child visits.

But the influential U.S. Preventive Services Task Force said Tuesday that there's not yet enough evidence to show that screening all children delivers measurable benefits, a decision sure to frustrate or anger many in the autism community.

The odds of getting Alzheimer's disease or other forms of dementia are declining for people who are more educated and avoiding heart disease, a study finds. The results suggest that people may have some control over their risk of dementia as they age.

This isn't the first study to find that the incidence of dementia is waning, but it may be the best so far. Researchers looked at 30 years of records from more than 5,000 people in the famed Framingham Heart Study, which has closely tracked the health of volunteers in Framingham, Mass.

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