Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.
BEIJING, Jan. 31 (Xinhua) -- An article by Xi Jinping, general secretary of the Communist Party of China (CPC) Central Committee, which stresses the importance of family ties, family education and ...
Chris van Tulleken explores why ultra-processed foods are so irresistible and how they have come to dominate food culture. A growing body of evidence is linking these products to declining health.