Reference Terms
from Wikipedia, the free encyclopedia
Drug addiction
Drug addiction, or substance dependence is the compulsive use of psychoactive drugs, to the point where the user has no effective choice but to continue use. Drug addiction has two components: physical dependency, and psychological dependency.
Related Stories
1
2
Mind & Brain News
October 13, 2026
Oct. 13, 2026 Your daily routine could have a bigger impact on your ability to handle stress than you realize. A Binghamton University study of approximately 400 college students found that eating breakfast regularly, exercising, sleeping well, and taking fish ...
Oct. 13, 2026 Scientists have uncovered a hidden layer of organization in the brain by creating the first detailed 3D map of its lipids, the fatty molecules essential for brain structure and communication. By analyzing millions of measurements from mouse brains, ...
Oct. 12, 2026 The FDA has approved the first drug that directly targets Alexander disease, a devastating neurological disorder affecting fewer than one in a million people. Developed through decades of research, Zanvastro showed promising results in clinical ...
Oct. 12, 2026 Scientists discovered that declining levels of a protein called Menin may help drive aging, and restoring it in older mice reversed several age-related changes in just 30 days. Even more ...
Oct. 11, 2026 Getting better sleep might be as simple as moving a little more every day. Researchers at The University of Texas at Austin found that people who exercised more frequently experienced more deep, restorative sleep, which is essential for brain ...
Oct. 11, 2026 Mathematics may hold unexpected clues to understanding Alzheimer’s disease. Scientists have developed a model showing how common metals like copper and zinc may influence the buildup of proteins associated with the disease, while also exploring ...
Oct. 10, 2026 Scientists have developed a tiny, injectable device that can control nerve activity without surgery, batteries, or wires, potentially transforming treatment for chronic pain and movement disorders. ...
Oct. 10, 2026 A large study suggests loneliness and social isolation can cost people years of healthy life, especially when it comes to mental health. Men experiencing both lost about 5.8 years free from depression and anxiety, while women lost roughly 3.7 ...
Oct. 9, 2026 Depression may not be one biological condition, but several distinct patterns of brain activity hiding under the same diagnosis. Researchers studying 263 people with depression identified five brain profiles, each showing different patterns of ...
Oct. 8, 2026 Nicotine e-cigarettes appear to help more smokers quit than patches, gum, and several other common approaches, according to a major review of 80 clinical trials. Researchers say regulated vaping products are not risk-free, but may be a significantly ...
Oct. 7, 2026 Blocking a receptor called P2X7 significantly reduced inflammation in human brain tissue, revealing a potential new treatment strategy for neurological and psychiatric disorders. The discovery could ...
Oct. 6, 2026 Cannabinoids may intensify anxiety by removing a natural brake on specific neurons in the brain’s fear center, particularly during stressful situations. In mice, shutting down those neurons sharply reduced cannabinoid-related anxious ...
Latest Headlines
updated 12:56 pm ET
Oct. 13, 2026 A 165-million-year-old fossil has revealed an extraordinary Jurassic predator that may help explain how mammals developed one of their most important evolutionary advantages. Although only 20 inches ...
Oct. 12, 2026 The remarkable intelligence of octopuses, squid, and cuttlefish may trace back to an ancient reshuffling of their DNA that created new connections between genes. Scientists discovered that these ...
Oct. 6, 2026 Couples who exercise together report better communication, healthier conflict resolution, and lower marital stress than those who work out alone. Even something as simple as taking a walk together ...
Oct. 5, 2026 Stimulating the vagus nerve after practice helped mice develop stronger long-term motor learning, revealing a potentially important window when the brain is still locking in a new skill. The effect ...
Oct. 4, 2026 A UCLA study links faster brain aging to specific gut bacteria and chemical byproducts, with older-looking brains also associated with poorer memory, focus, and mood. The findings suggest that ...
Oct. 4, 2026 High-dose vitamin B3 is showing intriguing early promise as an addition to standard glioblastoma treatment, with 82% of patients in a small trial remaining progression-free after six months. ...
Oct. 3, 2026 Scientists have linked a gut bacterial compound called ImP to greater Alzheimer’s risk, harmful brain protein buildup, and faster cognitive decline. The finding raises the possibility that reducing ...
Oct. 1, 2026 People who followed the MIND diet more closely showed slower brain shrinkage and less grey matter loss over time, with the strongest differences equivalent to about 2.5 years of delayed brain aging. ...
Oct. 1, 2026 People with depression who dramatically cut ultra-processed foods experienced notable improvements in their symptoms in a small preliminary study. Researchers suspect healthier eating may benefit the ...
Oct. 1, 2026 The Alzheimer’s risk gene APOE4 may actively damage brain blood vessels and sabotage the cellular systems that remove harmful proteins. Researchers were able to reverse some of these effects in ...