Is suppressing anger harmful to a person's health, and how can this be reconciled with the noble Prophetic saying: "The strong is not the one who overcomes people by his strength, but the strong is the one who controls himself while in anger"?

Blameworthy anger comes from Satan, and the Messenger of Allah, peace and blessings be upon him, warned against it and urged its treatment through legitimate means. Islam does not call for the complete elimination of anger, but rather for regulating this psychological force so that it does not lead to something forbidden or harmful. The strong person is he who controls himself when angry, so his anger does not push him to aggression or a forbidden act. Suppressing rage means avoiding the prohibitions caused by anger, not suppressing rage and malice within oneself, but rather diverting it through the reward Allah has prepared for those who forgive. In summary, the prohibition of anger is a prohibition against obeying the self when it is agitated, leading it to say or do something impermissible or something it will regret.