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Bloomberg
2 hours ago
- Bloomberg
Healthy Living Helps the Aging Brain
A new study published in the Journal of the American Medical Association makes a compelling case that a healthy lifestyle does an aging brain good. That might sound obvious. Eat well, exercise, challenge yourself mentally, have an active social life and you'll be better off for it. Yet researchers are just starting to offer concrete data to support the theory that making conscientious lifestyle changes can lower the risk of dementia, which is estimated to affect some 6 million Americans.
Washington Post
4 hours ago
- Washington Post
Wearable devices helped spot postsurgical complications in kids
Wearable devices like Fitbits can help health care providers spot postsurgical complications in kids, a new analysis in Science Advances finds. About 1 in 7 children will have postoperative complications, but diagnoses can be delayed because they can be difficult for caretakers outside the hospital to spot. To determine if data recorded by wearable devices can help predict recovery in children, researchers gave Fitbits to 103 children ages 3 to 18. All were recovering from an appendectomy, a common surgery in kids. The devices monitored heart rate and step-count data, sleep and other biometrics. They recorded 2,163 total monitoring days. The researchers used the data to find circadian patterns in the children's biometrics during each day after their surgery. Of 94 children whose data could be used, 58 had a normal recovery, 23 had abnormal symptoms such as diarrhea but no ultimate complication, and 13 had a postoperative complication. The researchers used a machine-learned model to predict complications using the Fibits and biorhythms. Daily patterns associated with activity, such as step count, ended up being the most important to predicting post-appendectomy recovery, followed by heart rhythms. Tracking biorhythms for as little as 120 minutes produced robust enough data for the model to analyze. Overall, the researchers were able to predict postoperative complications using the wearable data with 91 percent sensitivity and 74 percent specificity. 'In our data, 89% of patients who had complications after discharge were readmitted and were all correctly predicted by the biorhythm model,' they write. Other research suggests biorhythms may not be as effective at tracking adults' postoperative recovery. It might be easier to use biometrics to predict children's recoveries because their lives are more structured, making it easier to establish a typical baseline for analysis, the researchers add. Other studies should focus on other childhood procedures including tonsillectomies, the researchers suggest. But overall, the researchers write, the study shows that consumer wearables and monitoring could help 'address key challenges in postoperative monitoring of children.'
Washington Post
4 hours ago
- Washington Post
Dolphins in the Potomac River? There are a lot more than you think.
REEDVILLE, Va. — Aboard a small motorboat, the trio of researchers navigated the waters of Chesapeake Bay. It was two hours into their trip, and there was no sign of what they'd come looking for. They watched and waited, at one point plucking a plastic bottle from the water. The researchers, based out of Georgetown University, were accustomed to long stretches with nothing but birds and fishing boats as far as the eye could see.
