What a glass of wine a day does to your body

Melissa Breyer

One glass of wine: Friend or foe? (Photo: Tinatin/Shutterstock)

We are a species that loves our fermented grapes. We’ve been making and drinking wine since 6000 B.C. Even as far back as 2,000 years ago there were wine bars on every street in Roman cities. In 2014, Americans consumed an estimated 893 million gallons of wine. That’s a lot of quaffing…