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Farther, Faster, Fitter?

On the eve of the Winter Olympics we’re asking  - can sport products make us push farther, run faster, become fitter?

We’re holding our own trials and asking some of Canada’s greatest Olympians what works for them. Clara Hughes and Simon Whitfield join co-host Tom Harrington as Marketplace digs into the world of sports drinks, performance foods and specialized athletic gear.

Sports drinks unnecessary, counterproductive for most people

Drinks replenish electrolytes, but most of us don’t need them

By Megan Griffith-Greene / Marketplace, CBC News Posted: Jan 31, 2014 5:00 AM ET Last Updated: Jan 31, 2014 3:54 PM ET

If you’re grabbing a sports drink to replenish your electrolytes after exercise, you could actually be working against your workout.

Cold weather tips

Greg Wells, a physiologist and professor at the University of Toronto, looks at how our bodies react in extreme cold weather