I'm assuming the average life expectancy of a Roman did not change very much between 500 BC - 500 AD (?), as there was probably no significant progress in medical knowledge or nutrition. Do historians ...
A lot of proponents of new diets, e.g. Paleo, Primal, Atkins argue that grains have made people unhealthier and life expectancy was much better before the transition to agriculture. Some research ...
Buckwheat is a very useful crop, resulting in healthful food. It was (and is) extremely popular is Eurasia (especially Russia and China). However, despite the fact that - as per Wiki - it was one of ...