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20 hours ago · Methamphetamine (METH) is a potent amphetamine-type stimulant that has high abuse potential and can be smoked, snorted, injected, or taken orally. The drug is high in lipid solubility and can cross the blood-brain barrier more readily than amphetamine due to the addition of an extra methyl group.
4 days ago · A psychoactive drug, psychopharmaceutical, psychoactive agent, or psychotropic drug is a chemical substance that changes the function of the nervous system and results in alterations of perception, mood, cognition, and behavior. [1] These substances have various applications, including medical use like psychedelic therapy (including research purposes ), recreationally, or for spiritual reasons ...
5 days ago · Neuroplasticity, also known as neural plasticity or brain plasticity, is the ability of neural networks in the brain to change through growth and reorganization. It is when the brain is rewired to function in some way that differs from how it previously functioned. [1] These changes range from individual neuron pathways making new connections, to systematic adjustments like cortical remapping ...
4 days ago · Anxiety is a feeling of uneasiness and worry, usually generalized and unfocused as an overreaction to a situation that is only subjectively seen as menacing. [6] It is often accompanied by muscular tension, [7] restlessness, fatigue, inability to catch one's breath, tightness in the abdominal region, nausea, and problems in concentration. Anxiety is closely related to fear, [3] which is a ...
5 days ago · Gratitude stimulates the release of dopamine, known as the “feel-good” neurotransmitter, in brain regions like the ventral tegmental area (VTA) and nucleus accumbens.
5 days ago · Interestingly, whole-brain analysis revealed that monocytes were enriched in the nucleus accumbens (NAc), a brain area essential for the reward system, and correlated strongly with social avoidance.
