Addiction: Addiction is a compulsive and uncontrollable dependence on a substance or behavior that leads to negative consequences.
Withdrawal: Withdrawal refers to the symptoms experienced when someone stops using a drug or alcohol after prolonged use. These symptoms can range from mild discomfort to severe physical and psychological distress.
Tolerance: Tolerance is the body's adaptation to a specific substance, requiring higher doses over time to achieve the desired effect. It can contribute to an increased risk of addiction and overdose.