The Lifestyle of the Yamnaya

The Mongols ate lots of meat and dairy because that's the only thing that made sense for them. The Yamnaya were inhabitants of the Eurasian step, the step region. They went from place to place, they never stayed in one place too long. But if you eat large amounts of dairy and meat, lots of protein then obviously your body structure will adapt as a result of that. It's all about the lifestyle plus genetics, plus diet.