Patti NeighmondAward-winning journalist Patti Neighmond is NPR's health policy correspondent. Her reports air regularly on NPR newsmagazines All Things Considered, Morning Edition, and Weekend Edition.
Even something as simple as chopping up food on a regular basis can be enough exercise to help protect older people from showing signs of dementia, a new study suggests.
The people who got caught up in the exercise boom of the 1970s and stuck with it into their senior years now have significantly healthier hearts and muscles than their sedentary counterparts.
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Unless you're an extreme athlete, recovering from an injury, or over 60, you probably need only 50 to 60 grams of protein a day. And you probably already get that in your food without adding pills, bars or powders.
Madeleine Cook and Heather Kim/NPR
Research hasn't delivered a definitive answer on whether fish oil and Vitamin D supplements have health benefits, but it's clear that eating fish is beneficial.
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A serving of salmon contains about 600 IUs of vitamin D, researchers say, and a cup of fortified milk around 100. Cereals and juices are sometimes fortified, too. Check the labels, researchers say, and aim for 600 IUs daily, or 800 if you're older than 70.
Dorling Kindersley/Getty Images/Dorling Kindersley
Immunofluorescent light micrograph of human colon cancer cells, highlighting the nucleus of each cell in pink. U.S. doctors have been seeing an increase in colorectal cancer cases — and deaths — among people under age 50.
Patients in the study had "significantly lower out-of-pocket costs — on the average, $500 — when they visited a physical therapist first," says Bianca Frogner, a health economist at the University of Washington.
Cutting back up to 25 percent of your calories per day helps slow your metabolism and reduce free radicals that cause cell damage and aging. But would you want to?