Whenever I donate blood, I like to imagine the lucky recipient suddenly perking up, feeling the vivifying effects of my runner’s hemoglobin-rich red blood cells. “Whoa, that’s the good stuff,” I imagine this hypothetical person exclaiming. (Hey, it gets me off the couch and to the donation center.) Turns out I’ve been underselling myself, according to a cool new study that injects “runner plasma” from exercising mice into sedentary mice and sees a range of remarkable brain-boosting effects, including better memory and reduced inflammation. The study, published in Nature by researchers in the lab of Stanford University neurologist Tony Wyss-Coray, offers some exciting new insights about how and why exercise is good for the brain. It has also generated some media coverage along a predictable theme: “An exercise pill might one day produce health gains without the exertional pain,” as Scientific American puts it . Maybe so—but only in a very limited way. The details of the study are d...
News,and Info for Mountain Biking, Hiking and Walking Trails.