Alcohol comes with very little nutritional value but is very high in calories. It is very easy to knock back a 200ml glass of wine but that is equivalent, in calories, to eating 25ml (5 teaspoons) of butter. Seldom do people stop at one glass of wine or one beer, and mixing alcohol with sugary mixers such as lemonade means even morecalories as the drink now contains sugar and alcohol.
Simply put, alcohol consumption on a regular basis and weight loss don't mix.
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