Booze makes people feel better period, unless they drink to excess of course 
I rather doubt that drinking a little, here and there, can depress the immune system enough to actually *treat* SLE or any other autoimmune disorder. If you drink frequently, the nights you go without it may be some sort of "withdrawal" period which makes you feel worse.
Along the same lines, eating sugar depresses the immune system as well. Yet I've never noticed anything but my mood being a bit happier from eating chocolate! And if I eat a lot of sugar, I actually find myself feeling worse than better...
I rather doubt that drinking a little, here and there, can depress the immune system enough to actually *treat* SLE or any other autoimmune disorder. If you drink frequently, the nights you go without it may be some sort of "withdrawal" period which makes you feel worse.
Along the same lines, eating sugar depresses the immune system as well. Yet I've never noticed anything but my mood being a bit happier from eating chocolate! And if I eat a lot of sugar, I actually find myself feeling worse than better...