Bobbing for Boobs

A recent study by Dr. Joanna Scurr, a leading authority on sports-related breast movement (seriously), found the speed at which your boobs bounce when you're running is more likely to cause breast damage than the amount that they wobble.
How did she figure that out? After having her subjects run on treadmills with sensors attached to their boobs, "She plotted the distance traveled by the breasts and calculated the speed at which they moved up and down, in and out and from side to side."
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