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“Grease the Groove” and Make Exercise Easy 
Introduced by a former Soviet weight trainer, the idea here is that moderate exercise, more often, is better overall than traditional, periodic, “feel the burn” workouts. Interpretations of the premise vary, but many are finding the approach worthwhile. The Atlantic explores the subject: https://www.theatlantic.com/health/archive/2019/09/bro-do-you-even-grease-the-groove/598837/?utm_source=pocket-newtab

Tea Bags Shed Microfibers Into Brew
The bags tea comes in are often made of rayon, a common synthetic fiber. It turns out that a cup of tea made with such a tea bag is rife with microplastics shed by the bag. Of course, all is not lost, as alternatives exist. New Scientist looks into the ramifications: https://www.newscientist.com/article/2217483-plastic-tea-bags-shed-billions-of-microplastic-particles-into-the-cup/

Soft Drinks Linked to Early Death 
Consuming soft drinks, whether sugared or sugar-free, has been firmly linked to an earlier demise. And it doesn’t matter what kills you; it will kill you sooner if you drink soft drinks, statistically speaking. The Guardian investigates: https://www.theguardian.com/society/2019/sep/03/soft-drinks-including-sugar-free-linked-to-increased-risk-of-death