When these engines sputter, the mind starts to slip. The root of the problem traces back to a breakdown in the Krebs cycle.

A Nobel Prize, of course. Such was the case for Hans Krebs, the biochemist who nabbed the award in 1953 for discovering the citric acid cycle, or “Krebs cycle”—the cellular pathway that converts ...

Malic acid is a naturally occurring organic compound found in many fruits, especially apples. It is an alpha-hydroxy acid ...