Mark Cuban isn't ready to act his age. Speaking in the new antiaging-science documentary "Longevity Hackers" (streaming on Amazon and Apple TV), the billionaire businessman of "Shark Tank" fame ...

We are living in a new world. The 60/40 was introduced nearly 70 years ago. Times have changed. In case there is any question about where I stand, put me down as firmly on the side of those who ...