Definition: Drug abuse, also known as substance abuse, refers to the harmful or hazardous use of psychoactive substances, including alcohol and illicit drugs. It often leads to significant impairment or distress and can affect physical health, mental well-being, and social functioning. Â Types of Abused Substances 1. Opioids: Heroin, prescription pain …
DeepakRajput 
Central Nervous System (CNS) Stimulants: Definition, Classification, Mechanism of action, uses and Side effects
Definition CNS stimulants are a class of drugs that enhance the activity of the brain and spinal cord, leading to increased alertness, energy, and attention. They can affect various neurotransmitters and are used therapeutically for conditions such as attention deficit hyperactivity disorder (ADHD), narcolepsy, and certain cases of depression. Â Classification …
Addiction: Understanding the Complex Phenomenon
Addiction is a chronic, relapsing disorder characterized by compulsive drug seeking, continued use despite harmful consequences, and long-lasting changes in the brain. It is a complex interplay of biological, psychological, and social factors that lead to the development and persistence of addictive behaviours. Key Components of Addiction 1. Compulsive Behavior …
Cholinergic drugs
Cholinergic drugs are a class of medications that mimic or enhance the effects of acetylcholine. This neurotransmitter plays a vital role in the nervous system and the communication between nerve cells and muscles. Acetylcholine plays a role in various physiological processes, including muscle contraction, regulation of heart rate, gastrointestinal function, …
