Is it true a glass of wine a day has health benefits or is that just an old wives tale? And how long should I wait after a glass to take my zoloft (sertraline)?

Resveratrol. Some studies show benefits of one glass of wine (especially red wine) a day, for women. This does not mean you should start drinking it if you have not been. There are good phytonutrients such as resveratrol in red grape skins, which are incorporated in red wine. Without exposing yourself to alcohol, you could get the same from grapes, etc, or a good resveratrol supplement.