Peanuts, Nuts May Keep You From Dying
But alas—peanut butter doesn't seem to make a difference
By Jenn Gidman,  Newser Staff
Posted Jun 11, 2015 1:43 PM CDT
The ticket to longer life?   (Shutterstock)

(Newser) – Previous studies have documented that scarfing down peanuts or nuts every day can lead to better cardiovascular health. But now research is suggesting that eating peanuts and tree nuts like almonds, cashews, and walnuts are linked to lower mortality rates, per a Maastricht University press release. The study, published online today in the International Journal of Epidemiology, found that both men and women who ate at least 10 grams of peanuts or nuts daily saw a reduced risk of dying from not only heart disease, but also from respiratory illnesses, cancer, diabetes, and neurodegenerative diseases. The only disappointing result, expressed in the saddest sentence you may read all week: "[The study] finds no protective effect for peanut butter."

The press release notes that the health benefits of peanuts and nuts are probably due to what they're harboring inside their shells: an amalgam of monounsaturated and polyunsaturated fats (the so-called "good" fats), fiber, antioxidants, vitamins, and other compounds. And it's not like you have to go overboard in your nut-eating habits: Researchers in the Maastricht University study found that eating more than an average 15 grams per day—or half a handful—didn't confer any lower mortality risk. So what gives with peanut butter, which ostensibly contains those same ingredients? Researchers speculate it's all the other stuff peanut butter has added, such as salt and vegetable oils, that may prevent the tasty spread from being more healthful. (Peanut butter may be able to help in the fight against Alzheimer's.)
 

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