May 24, 2005 — NEW YORK (Reuters Health) - Resveratrol, a chemical found in red grapes, blocks replication of the influenza virus in cell culture and in animals, Italian researchers report. "Resveratrol merits further investigation as a potential weapon for combating the growing threat of influenza," Dr. Anna Teresa Palamara of the Institute of Microbiology in Rome and colleagues conclude. In cell culture experiments, resveratrol prevented influenza from replicating. Study: Cigarette Smoke May Harm Fertility Big Guns: When Cops Use Steroids Study: Bypass Better for Clogged Arteries Resveratrol treatment had the greatest effect when administered 3 hours after exposure to...