Sister Mary Guinea-Pig
It seems, these cloistered populations have been used for years to study such health concerns as breast cancer, alzheimer's, osteoporosis, and the effect of beer on cholesterol levels.
"Why pester the nuns?" he asks. "One obvious reason is that the strictures of convent lifestyle make for an ideal control group..."
Another is that nuns are really hilarious when you get them drunk.
— Larry, Attack Monkey, Light Reading