St. John's Wort Collection Mined for Its Medicinal Value

A unique collection of St. John’s wort (Hypericum) curated by Agricultural Research Service (ARS) scientists in Ames, Iowa, is providing university collaborators with genetically diverse, well-documented sources of this herb to use in studies examining its...

Indian spice may delay liver damage and cirrhosis

Curcumin, one of the principal components of the Indian spice turmeric, seems to delay the liver damage that eventually causes cirrhosis, suggests preliminary experimental research in the journal Gut. Curcumin, which gives turmeric its bright yellow pigment, has long...

Dietary Supplement Speeds Silver Cyclists

Taking arginine supplements can improve the cycling ability of over-50s. Researchers writing in BioMed Central’s Journal of the International Society of Sports Nutrition tested a combination of the amino acid and an antioxidant in sixteen cyclists, finding that...