Lillie Pete sifts the juniper ash before adding it to her blue corn mush. Laurel Morales/KJZZ hide caption
calcium
After a hard day of bruising battle, ancient gladiators reached for a post-workout drink, according to an ancient account. New research backs that up. Stefano Bianchetti/Corbis hide caption
Forgoing calcium supplements is a fine approach for most people, a preventive services panel says. iStockphoto.com hide caption
Henry Owens, a 69-year-old retired lawyer from Cape Cod, suffered a kidney stone attack last month. His doctor at Massachusetts General Hospital used a laser to break up the stone. Richard Knox/NPR hide caption