Midlife factors that raise your odds of Alzheimer’s, the effects of coffee on cholesterol, and more health news

The 3 midlife factors that raise your risk for Alzheimer’s

Certain lifestyle factors can sway the risk of dementia, and a new study points to the top threats to Americans these days: obesity, physical inactivity and lack of a high school diploma.

Researchers found that in just the past decade, there has been a shift in the most important modifiable risk factors for dementia in the United States. In 2011, the big three were physical inactivity, depression and smoking.

Today, lack of exercise is still among the top three, but the other spots have been replaced by obesity in middle-age and low education levels (not graduating from high school).

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Why emphysema may often be missed in Black men

Emphysema is missed more often in Black Americans than in white Americans, and now researchers report they have figured out why.

The investigators found that many Black men who were considered to have normal results after race-specific interpretations of a common lung function test called spirometry actually had emphysema when assessed using computed tomography (CT).

Emphysema involves the gradual destruction of lung tissue and is often associated with chronic obstructive pulmonary disease (COPD).

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Widespread misinformation on cancer nutrition found on Pinterest

About one-third of cancer nutrition information on the social media site Pinterest is misleading and posted by businesses trying to sell products, according to a new study.

“Our results revealed a significant amount of misinformation about cancer and nutrition,” said study co-author Tracy Crane, an associate professor at the University of Miami Miller School of Medicine.

“There’s a pervasiveness of health claims that are not necessarily valid or coming from reliable sources,” Crane said in a university news release.

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Will coffee raise your cholesterol?

People who rely on coffee for a pick-me-up may also see a boost in their cholesterol levels — especially if they sip an unfiltered variety, a new study suggests.

The researchers found that among more than 21,000 Norwegian adults, those who indulged in several cups of coffee a day generally had slightly higher cholesterol than non-drinkers. The extent of the difference, however, depended on brewing method.

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