Ross and Carrie Break Drew’s Kidney Stone: Roller Coaster Edition

When Carrie’s husband Drew is diagnosed with a large kidney stone, he and Carrie go to the local rickety roller coaster in the name of citizen science. Then they tell Ross all about their scientific findings. Will Drew’s kidney stone break into tiny pieces, thanks to Santa Monica’s 30-year-old West Coaster? Or is a “large” kidney stone TOO large for even a chartreuse caboose to shake it loose?

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