Medical research

Blame backbone fractures on evolution, not osteoporosis

Osteoporosis is blamed for backbone fractures. The real culprit could well be our own vertebrae, which evolved to absorb the pounding of upright walking, researchers at Case Western Reserve University say.

Medical research

Sexual selection by sugar molecule helped determine human origins

Researchers at the University of California, San Diego School of Medicine say that losing the ability to make a particular kind of sugar molecule boosted disease protection in early hominids, and may have directed the evolutionary ...