TwoAmericanscientiststoldthepeopleinindustrialnationsth...
问题详情：TwoAmericanscientiststoldthepeopleinindustrialnationsthattheywouldbemuchhealthieriftheyatemoreofthesamekindoffoodseatenbyhumanslivingmorethan10,000yearsago．Thescientistssaythatthehumanbodyhasch...