Cells manage a wide range of functions in their tiny package — growing, moving, housekeeping, and so on — and most of those functions require energy. But how do cells get this energy in the first ...

Bone health relies on a balance between osteoblasts (builders) and osteoclasts (recyclers). Peak bone mass occurs in early adulthood; deficiencies during this window amplify fracture risks later in ...

As people age, most maintain normal blood sugar even as insulin resistance tends to rise. New research suggests that ...