David Koop had it all: a storied business career, beautiful son, and prospects as far as the eye could see. Then a surprise cancer diagnosis turned his life upside down. It was osteo sarcoma - a form of bone cancer - and it was growing...

There are so many chemicals in our food and drinks that many of us are sick and tired. Tap water can contain plastics, weed killers, pharmaceuticals, heavy metals and other toxins. Even bottled water, if it does not say “spring water” or “purified water,” is...