Our coral reefs are dying. The main culprit appears to be acid in our oceans- a slow downward creep in pH as ocean water absorbs increasing amounts of carbon dioxide. As carbonic acid builds, the ocean water’s pH decreases, and the acid stress leaches minerals from...

True or False?: A bigger, denser bone is a stronger bone.   At first glance, this statement seems completely reasonable. In fact, it is true most of the time. But further research has taught us a cautionary tale. If you ever have considered taking supplemental...

After visiting your ailing grandmother with a hip fracture, you find yourself staring at a packed drugstore shelf of calcium and vitamin D supplements. Though you know vitamin D can help keep bones strong, which type do you choose? Do you really need it? At what dose?...