Humans are omnivores, and eating meat has always been a quick way to add nutrition to our diets. At least that's been the case through most of history. In the modern world, meat is more easily and widely available than ever, and we have also eliminated a lot of other health concerns that shortened lifespans. So now we need to consider what is best to eat for a long, healthy life when we have an almost unlimited choice of food. Kurzgesagt lays out the state of research about the amount and types of meat that are optimum for human health. The meat lesson ends at 8:45, then it becomes an ad.