(Oregonlive) - Today is national Red Wine Day. Should you imbibe? There's no question that pounding one drink after another is bad for your health. But things have been murkier when it comes to "moderate" drinking. What does that mean? What's the limit? Can a health-conscious person serenely order a second round? Well, the latest news, just in time for Red Wine Day, is no level is safe. 

To minimize health risks, the optimal amount of alcohol someone should consume is none. That's the simple, surprising conclusion of a massive study, co-authored by 512 researchers from 243 institutions, published last week in the prestigious journal the Lancet.