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Men have more 'senior moments' of memory loss than women

Many elderly people suffer slight cognitive problems, but men are more likely than women to suffer momentary memory lapse.

Frederik Joelving

Reuters

4:16 PM EDT, September 29, 2010

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Lost the car keys? Forgot someone's name? Many elderly people suffer slight cognitive problems, but men are more likely than women to suffer momentary memory lapse, sometimes called "senior moments," according to a U.S. study.

Researchers from the Mayo Alzheimer's Disease Research Center in Rochester, Minn., found 19 percent of men ages 70 to 89 years had mild cognitive impairment, compared with only 14 percent of women.

Unexpected findings

People with mild cognitive impairment have problems with memory but can carry out everyday activities and generally realize that they're forgetful. The National Institutes of Health says mild cognitive impairment falls in between normal forgetfulness and dementia.

Researcher Dr. Ronald Petersen said the findings were surprising because Alzheimer's disease, which is preceded by this type of mental decline, affects more women than men.

Even after accounting for differences in education, age, and diseases like diabetes and hypertension, men had about 50 percent higher odds than women of having mild cognitive impairment.

"The gender differences were somewhat surprising to us because most people believe that women are at higher risk than men," Petersen said.

He said not everyone with mild cognitive impairment develops dementia, but some people do, which makes it a risk factor for Alzheimer's disease.

Link to dementia

An estimated 15 percent of people with mild cognitive impairment end up with full-blown dementia each year. In the general population, that number is between 1 percent and 2 percent.

The study, published in the journal Neurology (link.reuters.com/bar78n), involved more than 2,000 randomly sampled elderly people from Olmsted County, Minn.

The researchers spent hours testing each participant specifically for mild cognitive impairment and dementia.

About a quarter of the seniors had cognitive problems beyond the signs of normal aging, including Alzheimer's.

The researchers speculated that perhaps men get memory problems earlier in life, but then decline more slowly than women. In other words, the reason more men have mild cognitive impairment might be that more women are skipping that stage and going directly to dementia.

Mild impairment became more common with older age, but it also turned out that the more education people had under their belt, the less likely they were to have cognitive problems.

Petersen said it was unclear how to explain that finding.

What you can do

While there aren't any drugs available to treat mild cognitive impairment, Petersen said lifestyle changes could have a positive effect.

He recommended reading and going to the movies, as well as keeping up with friends and family, eating healthy foods and being physically active.

"There are more and more data coming out indicating that some of these lifestyle modifications may work," he said.