Aric Rogers, Ph.D., of the MDI Biological Laboratory in Bar Harbor, Maine, studies the molecular mechanisms underlying aging in the roundworm, C. elegans . Credit: MDI Biological Laboratory Scientists have known for decades that drastically restricting certain nutrients without causing malnutrition prolongs health and lifespan in a wide range of species, but the molecular mechanisms underlying this effect have remained a mystery.

Aric Rogers, Ph.D., of the MDI Biological Laboratory in Bar Harbor, Maine, studies the molecular mechanisms underlying aging in the roundworm, C. elegans . Credit: MDI Biological Laboratory Scientists have known for decades that drastically restricting certain nutrients without causing malnutrition prolongs health and lifespan in a wide range of species, but the molecular mechanisms underlying this effect have remained a mystery.