LESSON FOUR: GRAPES OF LIFE Drink red wine (in moderation) Epidemiological studies seem to show that people who have a daily drink per day of beer, wine, or spirits may accrue some health benefits. But the secrets of the Blue Zones suggest that consistency and moderation are key. In Okinawa, it’s a daily glass of sake with friends. In Sardinia, it’s a glass of dark red wine with each meal and whenever friends meet.