April 29, 2016 — In our new podcast series, Harvard Chan: This Week in Health, we’ll bring you top health headlines—from wellness tips to important global health trends. You’ll also hear insight from Harvard Chan experts. This week’s headlines: The effects of “infra-sound,” a type of noise you can feel, but can’t always hear, plus the new push to eliminate chewing tobacco from Major League Baseball, and new research linking spanking with negative outcomes.