Factors That Influence Alcohol's Effects Drinking has different effects on different people, and the same amount of alcohol can affect the same person differently on different occasions. The more alcohol, the stronger the effects. People who weigh more are less affected by the same amount of alcohol than people who weigh less. Alcohol is water soluble heavier people have more blood and water in their bodies, so the same amount of alcohol will be more diluted. Gender also affects the influence of alcohol.
Food slows down the passage of alcohol from the stomach to the small intestine.
What a person expects to happen after drinking has a lot to do with what does happen. A drinker who expects to get drunk is more likely to feel or act drunk. In one study, an experienced group of drinkers was given a glass of something nonalcoholic but was told it contained alcohol. Most of the group still got drunk. Immediate Effects of Alcohol When consumed, alcohol goes right to the stomach and passes through to the small intestine, where it is absorbed into the bloodstream.