Plant-based diets can trigger body changes that help people absorb and use some nutrients more efficiently over time.

Have you ever eaten a green potato, or a bunch of rhubarb leaves? Hopefully not, because these two plant parts can be toxic to humans. While they may seem edible, they contain chemicals that can make ...

Long before evolution equipped them with the right teeth, early humans began eating tough grasses and starchy underground plants—foods rich in energy but hard to chew. A new study reveals that this ...