How does bulimia and alcoholism affect you in the long run?

Body deteriation. With both your body does without essentials it needs to prosper. Sometimes your liver can't process things well due to alcohol. There is some point when these damages can be too over whelming. Get help with either or both.
Both are damaging. Interesting - lots of complications in common -- depression, anxiety, sleep disturbances, gastrointestinal, hormone and fertility problems. But alcohol harms liver and bone marrow, bulimia may harm thyroid and teeth.