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Fish oil supplements don't seem to protect your brain
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More than 250 hospitals pledge to serve real food
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Cannabis legalization linked to more heart hospitalizations
01 Fish oil supplements don't seem to protect your brain
For years, fish oil has been marketed as brain food in a bottle. The omega-3s inside, especially DHA, are crucial for how your brain is built and how neurons work. If you didn't eat fish, the thinking went, a supplement could fill the gap and protect your memory as you age.
A two-year clinical trial at USC tested that idea directly. Researchers gave 365 adults at high risk for Alzheimer's either a placebo or 2,000 mg of DHA daily (a high dose). The supplements did get omega-3s into the brain, but once there, they didn't do much — memory stayed the same.
02 More than 250 hospitals pledge to serve real food
Hospital food has a reputation for being terrible, and for good reason. For decades, patients recovering from surgery or managing chronic disease have been handed trays of processed meat, refined grains, and sugar-sweetened drinks.
Now, more than 250 hospitals have signed a pledge to change that. The Make Hospital Food Healthier Pledge commits them to cutting deep-fried foods, swapping refined grains for whole grains, and limiting processed meats and added sugars.
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03 Cannabis legalization linked to more heart hospitalizations
A new study in BMJ Open looked at more than 50 million hospital records from 2012 to 2018 and found a pattern: after Western states legalized recreational marijuana, hospitalizations for serious heart problems rose faster than in states that did not legalize.
Heart failure admissions were nearly 4 percent higher, heart attacks 3 percent higher, and atrial fibrillation (an irregular heartbeat that can lead to clots) more than 2 percent higher. The researchers are careful to say this does not prove marijuana caused the increase, but that a correlation is present.
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The CDC's deputy director is stepping down after just six months. Dr. Jennifer Shuford, who joined in April as part of the Trump administration's leadership overhaul, cited family reasons for her departure.
Labeling ultra-processed foods would cost the food industry $14 billion a year, a University of Chicago study estimates, with 72 percent of packaged foods affected. The FDA's proposed definition remains stalled at the White House after industry pushback.
Silver diamine fluoride stopped cavities in half of children's baby teeth when brushed on every six months, the University of Michigan found in a trial of 800 kids. The liquid, already common in Japan and Australia, could help the FDA approve a drill-free option for managing decay.
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