Does drinking 4-5oz of red wine everyday good for your health? thanks

It very well may be: BUT there are serious cautions. If you really kept it to 4-5 ounces and didn't go on to gradually drink more and more, it would probably be fine....even good! But we (doctors) see SO MANY people not be able to keep to this modest amount. There is some evidence that red wine is superior to other forms of alcohol but this evidence is weak. A MODEST daily amount is not harmful; it may well be helpful