Researchers used a new strategy that allowed them to indirectly measure amounts of multiple nutrients in multiple people at the same time, an advance that should make it possible to rapidly detect ...

EMPIRIC methods of testing, however simple in principle are the just those which require exact procedure in practice; otherwise two equally skilful analysts, by slight and apparently insignificant ...

Johns Hopkins researchers have demonstrated that levels of certain proteins in the bloodstream may be used to estimate levels of essential vitamins and minerals without directly testing for each ...