Because the past had proportionally more hucksters to scientists than today. And because a lot of that 'ancient wisdom' was invented later, by the aforementione

Because the past had proportionally more hucksters to scientists than today. And because a lot of that 'ancient wisdom' was invented later, by the aforementioned hucksters: http://www.slate.com/articles/health_and_science/medical_examiner/2013/10/traditional_chinese_medicine_origins_mao_invented_it_but_didn_t_believe.html http://www.slate.com/articles/health_and_science/medical_exa...