Reference Terms
from Wikipedia, the free encyclopedia
Sleep
Sleep is the state of natural rest observed throughout the animal kingdom, in all mammals and birds, and in many reptiles, amphibians, and fish.
Note: The above text is excerpted from the Wikipedia article "Sleep", which has been released under the GNU Free Documentation License.
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Health & Medicine News
December 22, 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. 19, 2024 — New research finds a pervasive low-quality diet among pregnant and postpartum individuals, reflecting 'an urgent need for widespread ...
Dec. 20, 2024 — Physician-scientists found that a subset of artificial heart patients can regenerate heart muscle, which may open the door to new ways to treat and perhaps someday cure heart ...
Dec. 20, 2024 — Scientists have uncovered new details about the mechanism behind cancer progression. Researchers explored the influence the mechanical stiffening of the tumor cell's environment may have on the ...
Dec. 20, 2024 — Using an AI tool, researchers have analyzed brain images from 70-year-olds and estimated their brains' biological age. They found that factors detrimental to vascular health, such as inflammation and ...
Dec. 20, 2024 — Researchers have been able to identify at least three distinct subtypes of a rare type of bone cancer for the first time, which could transform ...
Dec. 20, 2024 — Researchers trained a large language model to read medical charts, looking for signs that kids with ADHD received the right follow-up care when using new ...
Dec. 20, 2024 — When you are feeling hungry, the brain takes the necessary steps toward consuming a meal. Many of these steps are not well known, but a new study reveals brain circuits and chemical messengers that ...
Dec. 19, 2024 — Mutational signatures etched into the cells' genome by an anti-cancer drug called temozolomide (TMZ) uncover an Achilles' heel for TMZ chemotherapy resistance, according to new ...
Dec. 19, 2024 — There are several strategies for the early detection of prostate cancer. The first step is often a blood test for prostate-specific antigen (PSA). If ...
Dec. 19, 2024 — Opening new doors for the development of nanotechnologies in medicine and other fields, scientists recreate and compare two natural mechanisms to better program the timescale of molecular ...