a radical shift in diet. and looks.

Get Vegetarian Teeth and Eat Less Meat

Vegetarian teeth designed to reduce meat consumption and improve individual health:
Humans are omnivores. Our teeth are designed to eat both meat and plants. Susana Soares and her colleagues designers and engineers of the Material Beliefs program propose to alter human teeth structures into those of herbivores, in order to become a better vegetarian.
Photo and article found here.