Because religion is one way social groups control the behavior of their members, and most social groups recognize that excessive alcohol consumption leads to behavior that is not in the group's best interest.
Until the 1880s Protestant churches didn't prohibit the consumption of alcohol in moderation. Then they cam to view alcohol as evil and drinking as sinful. This created a theological problem because the bible says that Jesus both made and drank alcohol.
This led to the "two wine" doctrine according to which whenever the Bible speaks of wine in a positive way it is referring to grape juice. But whenever it speaks of wine negatively, it is referring to fermented grape juice (wine).
Another Answer:
It depends on the particular group's interpretation of the bible. Almost all groups see drunkeness as a sin. Many groups (Roman Catholics, Eastern Orthodox, Anglicans, Lutherans, Reformed Churches, and Jehovah's Witnesses) see alcohol use in moderation as OK. Other groups (Many Baptists, Pentacostals, Methodists, some Evangelicals and Other protestant groups, and the Salvation Army) frown on it. Some groups (Southern Baptist Convention, Seventh-day Adventists, and the Church of Jesus Christ of Latter-day Saints) prohibit it. For more information, please see the Related Link below.
A large number of people and groups have fought against drinking or selling alcohol.
discourage people from drinking alcohol
The US temperance movement was a movement led by Francis Elizabeth Willard followed by other people who were against the drinking of alcohol. They believed that the drinking of alcohol cased problems for family members and workplaces.
People do not die from drinking alcohol, only from drinking it abusively or excessively.
Some people develop a fever after drinking alcohol due to alcohol withdrawal. Withdrawal happens when one is drinking regularly, and suddenly stops.
Not physically, but heavy drinking stops emotional growth.
Most religious people were (and are) against war.
No one dies from drinking alcohol, only from abusing it.
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Your question is unclear. Drinking is an instinct. Drinking alcohol is an extension of that. Because of the effect it can have on your perception many people find that pleasurable. You learn that by experience not from other people.
Early people in different countries.
discourage people from drinking alcohol