More than a dozen nations have detected horse flesh in processed products such as factory-made burger patties, lasagnas, meat pies and meat-filled pastas.

NPR: Horse Meat Found In Ikea's Swedish Meatballs

When it comes to producing meat, Forgacs says the most difficult part is creating muscle tissue that tastes, looks and feels like animal flesh.

CNN: Lab-grown meat gives food for thought

If you want to give up meat, what's the best way to do it without compromising nutrition, and that need to feed on flesh?

NPR: For Spring, an Attempt to Forgo Meat