There has been much suggestion that the drinking of wine is somehow “good for you.”
While it might calm your nerves a bit, what many want to say is that, for whatever reason, it can protect you from heart disease, perhaps by lowering cholesterol. Some point to those parts of the world where people eat high fat diets, drink lots of wine, and live to a very old age.
The liver filters alcohol and sends it to the blood stream. This notably affects your brain (and damages it a little for many weeks). You should switch to water when you are feeling dizzy.
Addition to alcohol is called alcoholism. It pushes you to continue taking alcohol. Alcohol can damage your liver.
The biggest complaint here is that some people develop headaches from drinking wine. There are several proposed causes. One is that sulphites added by the producer cause the allergic reaction. Furthermore cheaper wines are likely to have more sulphites. Sulphites are present in both red and white wines.
Solutions suggested by some are drink lots of water before drinking the wine. The problem with this last one is that is known to enhance the alcoholic affect. The best answer is, if this is a problem, don’t drink wine.
Heavy alcohol use in pregnancy can lead to birth defects. Some doctors feel that the safest course is not to drink any alcohol at all during pregnancy.
The general consensus is that alcohol might help you fall asleep immediately but that you’ll be up in the middle of the night. A warm glass of milk seems to be a better idea.