Unlike any other creature on this planet, human beings can learn and understand, without having experienced. They can think themselves into other people's places. 与这个星球上任何其他的动物不同，人类可以学习和理解未曾经历过的事情
So, the average life expectancy in the U.S. and the U.K. is 78.1 years, 美国和英国的平均年龄是78.1岁， but we know from more than 1,000 peer-reviewed scientific studies that you can add 10 years of life by boostin
