Humans have been eating yogurt for millennia. Ancient texts reference its health-promoting properties. Now a new study finds yogurt may reduce the risk of certain types of colon cancer.

So yes, some people in India love their lassi so much that they mix up the drink in a washing machine! Heat researcher Gulrez Azhar says it's a healthful way to cope with summer heat.

Just in time for the Persian New Year, Homa Dashtaki has published the Yogurt and Whey cookbook -- nearly 100 recipes, old and new, including some surprising ones, like whey cocktails and popsicles.