Podcast #45 – Fitness Trackers and Baby Powder

Don’t mind Chris’ newfound psychic powers; do fitness trackers like Fitbits actually work? They monitor our heart beats, they count our steps and calories burnt, but do they do it accurately? And can they help us lose weight? Also: you’ll never believe what actually motivates people to exercise; early detection is not as easy as it sounds; does Johnson & Johnson’s baby powder cause cancer and should you even use baby powder in the first place; and how to judge the merits of a scientific paper when you’re not a scientist.


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