Biohackers say they're making their bodies and brains run better by hacking their biology. And it's not just kitchen counter experimentation anymore. There's now an entire industry promising to optimise you with supplements, treatments and increasingly strange gadgets.

Are these expensive, unproven “hacks” worth the investment?

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Presenter: Michelle Fleury

Business Daily is the home of in-depth audio journalism devoted to the world of money and work. From small startup stories to big corporate takeovers, global economic shifts to trends in technology, we look at the key figures, ideas and events shaping business.

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(Picture: North America Business Correspondent Michelle Fleury and Midtown Biohack owner Chuck Morris, standing over a client trying out a red light therapy headset.)