Anti-aging molecule NAD+ gets a boost from blocking an enzyme

Nicotinamide adenine dinucleotide (NAD+) is a major player in nutrition today. Studies have shown that NAD+ concentrations decrease during aging and that recovering the body's levels of NAD+ can prolong both health span and ...

Gut microbiota regulates antioxidant metabolism

A recently published study shows that gut microbiota regulates the glutathione and amino acid metabolism of the host. Glutathione is a key antioxidant, found in every cell in our body. Deficiency of glutathione contributes ...

Recycling of 'chauffeur protein' helps regulate fat production

Studying a cycle of protein interactions needed to make fat, Johns Hopkins researchers say they have discovered a biological switch that regulates a protein that causes fatty liver disease in mice. Their findings, they report, ...

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