The craving for a juicy double-bacon cheeseburger or salty-crusty slab of ribs can be difficult to resist. But research increasingly links red meat consumption to chronic diseases, such as diabetes, heart problems, and certain cancers, and now there’s more bad news for carnivores: A single daily serving of processed or unprocessed red meat—a couple of bacon slices, a hotdog, or an iPhone-size hamburger—may boost your risk of dying before your time, especially from cancer and heart disease.