Reference Terms
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Stimulant
A stimulant is a drug that increases the activity of the sympathetic nervous system and produces a sense of euphoria or the feeling of being more awake.
Note: The above text is excerpted from the Wikipedia article "Stimulant", which has been released under the GNU Free Documentation License.
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December 26, 2024
Dec. 11, 2024 — A new study shows that long-term exposure to air pollution contributes to millions of deaths in India. The research emphasizes the need for stricter air quality regulations in the ...
Dec. 11, 2024 — An interdisciplinary team has created tiny bubble-like microrobots that can deliver therapeutics right where they are needed and then be absorbed by the ...
Dec. 9, 2024 — The short-term boost our brains get after we do exercise persists throughout the following day, suggests a new ...
Dec. 3, 2024 — Brain tissue is among the most energetically costly in the body, and as a result, larger-brained mammals require more energy to support brain growth and maintenance. Exactly which biological changes allowed human ancestors to meet the very high ...
Latest Headlines
updated 12:56 pm ET
Dec. 23, 2024 — A drug recently approved to prevent migraine may start working right away, according to a new study. The study looked at the drug atogepant, which is a calcitonin gene-related peptide (CGRP) receptor ...
Dec. 25, 2024 — A new method of scanning lungs is able to show in real time how air moves in and out of the lungs as people take a breath in patients with asthma, chronic obstructive pulmonary disease (COPD), and ...
Scientists Discover a 'Goldilocks' Zone for DNA Organization, Opening New Doors for Drug Development
Dec. 25, 2024 — In a discovery that could redefine how we understand cellular resilience and adaptability, scientists have unlocked the secret interactions between a ...
Dec. 25, 2024 — Scientists have developed an innovative therapeutic platform by mimicking the intricate structures of viruses using artificial intelligence ...
Dec. 23, 2024 — A year after becoming available, vaccines to protect against RSV in newborns and older adults are being more widely accepted by the American public, ...
Dec. 23, 2024 — A research team has developed a groundbreaking technology that can treat colon cancer by converting cancer cells into a state resembling normal colon cells without killing them, thus avoiding side ...
Dec. 23, 2024 — Hospitals that have adopted the Center for Medicare and Medicaid (CMS) 'hospital-at-home' program, which serves as an alternative to admission to ...
Dec. 23, 2024 — Researchers have created a platform, called SIMPL2, that revolutionizes the study of protein-protein interactions by simplifying detection while ...
Dec. 23, 2024 — Researchers have unveiled a critical mechanism that links cellular stress in the brain to the progression of Alzheimer's disease (AD). The study highlights microglia, the brain's primary immune ...
Dec. 23, 2024 — Scientists traced connectivity between neurons to identify how the brain communicates with the spinal cord to control motor ...