Short answer

Yes. The Qur'an names gambling beside intoxicants and tells believers to keep away from both (5:90). Islam asks it because gambling takes wealth without work or a fair exchange, and it sets people against each other. The Qur'an says Satan uses it "to excite enmity and hatred between you" and to turn people from remembering God (﷾) and from prayer (5:91). It does not pretend there is no gain in it. It says the sin is greater than the profit (2:219). Today the World Health Organization finds that around 60% of the money lost to gambling comes from people gambling at harmful levels, and that each of them affects about six others. Islam's way instead is honest work and fair trade. The Prophet (ﷺ) said no one has eaten better food than what he earned with his own hands (Bukhari 2072). If you gamble, it is no barrier to becoming a Muslim. Islam wipes out what came before it, and Allah (﷾) helps whoever turns to Him.

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