The health effects of red wine in particular and red wine in general have been documented well.
Why do the French, with their rich diet, have fewer heart attacks than Americans? This has been termed the French Paradox. Instead of popping a pill, the French have a glass of wine.
"No thing more excellent nor more valuable was ever granted mankind by God."
-- Plato
"Drink no longer water, but use a little wine for thy stomach's sake..."
-- I Timothy 5:23
"Wine is the most healthful and most hygienic of beverages."
-- Louis Pasteur