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Eye injuries related to pickleball have increased at an "alarming rate" as the sport's popularity has exploded in the United States, a new study finds. (Lanese, 10/16)

Taking a brisk walk is an exercise rich in simplicity, and it can have impressive mental and physical benefits: stronger bones and muscles, cardiovascular fitness and stress relief, to name a few. But like any workout, hoofing it for your health may feel repetitive and even boring after a while. Backward walking, also known as retro walking or reverse walking, could add variety and value to an exercise routine, when done safely. Turning around not only provides a change of view, but also puts different demands on your body. (Wade, 10/15)

Not all types of exercise are equal when it comes to helping people with osteoarthritis (OA) of the knee minimize the pain without needing arthroplasty, a large meta-analysis found. Although the 217 randomized trials included in the analysis had yielded differing results, taken together it appeared that aerobic exercise is best overall when compared with strength training, neuromotor exercises, activities emphasizing mind-body connections, and mixed approaches, Bin Wang, MD, PhD, of Zhejiang University School of Medicine in Hangzhou, China, and colleagues reported in The BMJ. (Gever, 10/16)

The demand for protein has soared as 61% of consumers in the U.S. increased their protein intake last year, according to new research from Minnesota-based food corporation Cargill. And social media influencers and brands alike are taking note. "We're seeing that influencers, fitness professionals – they're all encouraging more protein after lifting," said Yasi Ansari, a clinical dietician at UCLA. (Moniuszko and Yamaguchi, 10/16)

Authorities in Michigan are saying a three-year-old boy is a hero after he managed to unlock his mother’s phone using her face while she experienced a severe epileptic seizure and then summoned life-saving help on a video call. Cody James Williams’ actions serve as “a good reminder for all parents that you should talk to your kids [about what to] do in an emergency”, said the Oakland county sheriff, Michael Bouchard. (Vargas, 10/17)