Final answer:
Alcohol contains varying amounts of calories and can have contradictory effects on weight and nutrient absorption when consumed in excess.
Explanation:
Alcohol contains calories. Different types of alcoholic beverages have varying calorie content. For instance, a typical beer contains 150 kilocalories, a glass of wine has around 80 kilocalories, and an ounce of hard liquor contains approximately 65 kilocalories.
When consumed, up to 5% of ingested ethanol is directly absorbed by cells in the gastrointestinal tract, while the remaining ethanol enters circulation. Alcohol, although providing energy, can have detrimental effects on weight and nutrient absorption when consumed in excess.
Studies have shown contradictory results regarding the association between alcohol intake and body weight, with high intakes of hard liquor linked to weight gain, while beer and red wine may not consistently lead to weight gain and could even reduce it in some cases.
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