一项发布在《内科学年鉴》（Annals of Internal Medicine）上的新研究发现，每天一次长距离步行比多次短距离步行更有利于心脏健康，特别是对锻炼量较少的人来说。 The study looked at more than 33,000 adults aged 40 to 79 in the UK who walked fewer than 8,000 steps a day.

A doctor who pleaded guilty to selling ketamine to Matthew Perry was sentenced to 2 1/2 years in prison on Wednesday at an ...

Some Canadians may want us to move on from the dark residential-school chapter of this country’s history. But a decade after ...