do you think alcohol is bad for health?

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It is said that alcohol is bad for health,becasue it will damage the liver.So I decide to give up it. But the report says that if you drink a cup of red wine every day,you will be live longer. Oh my god, I really do not know how to treat the wine.Which one is right? Do you have the same feeling as mine? and how do you deal with this situation? can you share me your good idea?