By Jennifer Pinkowski
Followers of the Paleo diet say that we can survive today's unhealthy world by returning to a fresh food diet and exercising in short bursts. But does it hold water?
Stand up to critical examination, be sound and valid, as in This argument just won't hold water, or Her reasons for quitting don't hold water. This metaphoric expression alludes to a container that can hold water without leaking. [c. 1600]