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Some drugs, such as marijuana and heroin, can activate neurons because their chemical structure mimics that of a natural neurotransmitter in the body. This allows the drugs to attach onto and activate the neurons.
Oct 4, 2022 · Drug addiction, also called substance use disorder, is a disease that affects a person's brain and behavior and leads to an inability to control the use of a legal or illegal drug or medicine. Substances such as alcohol, marijuana and nicotine also are considered drugs.
People with addiction often have one or more associated health issues, which could include lung or heart disease, stroke, cancer, or mental health conditions. Imaging scans, chest X-rays, and blood tests can show the damaging effects of long-term drug use throughout the body.
Jun 6, 2018 · Most drugs affect the brain's "reward circuit," causing euphoria as well as flooding it with the chemical messenger dopamine. A properly functioning reward system motivates a person to repeat behaviors needed to thrive, such as eating and spending time with loved ones.
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Jan 30, 2024 · Prescription and illicit opioids: Highly addictive, the substances are the top cause of overdose deaths; health effects include confusion, nausea, constipation, coma, and brain damage. Marijuana: Even though it is legal in many states, studies link marijuana use to various negative outcomes.
Dec 9, 2022 · The effects of drug misuse on the body. There are a range of physical effects associated with drug misuse. These effects can vary depending on the person, their overall health, the drug, how...
Taking drugs impacts homeostasis (steadiness between the different elements) between the glia cells and neurons in the brain. Glia cells maintain homeostasis and provide protection and support for neurons in the central nervous system and the peripheral nervous systems.
