Reference Terms
from Wikipedia, the free encyclopedia
Refractive surgery
Refractive eye surgery is any eye surgery used to improve the refractive state of the eye and decrease dependency on glasses or contact lenses.
Note: The above text is excerpted from the Wikipedia article "Refractive surgery", which has been released under the GNU Free Documentation License.
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Health & Medicine News
January 20, 2025
Jan. 13, 2025 — A new study shows that the risk of developing dementia anytime after age 55 among Americans is 42%, more than double the risk reported by older ...
Jan. 13, 2025 — Scientists have succeeded in controlling the structure and function of biological membranes with the help of 'DNA origami'. The system they developed may facilitate the transportation of large therapeutic loads into cells. This opens up a new way ...
Jan. 9, 2025 — An international research team has discovered a new type of skeletal tissue that offers great potential for advancing regenerative medicine and tissue ...
Jan. 1, 2025 — A research team has clarified a mechanism of how retrotransposons, genetic elements that can 'jump around' chromosomes and are known drivers of evolution, preferentially insert in the ...
Latest Headlines
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Jan. 19, 2025 — People with pockets of fat hidden inside their muscles are at a higher risk of dying or being hospitalized from a heart attack or heart failure, ...
Jan. 20, 2025 — Researchers have profiled the molecular structure and features of a key part of the deadly Nipah virus. Experiments in cells showe how changes in the viral polymerase -- a protein involved in viral ...
Jan. 20, 2025 — People with the skin condition psoriasis often have invisible inflammation in the small intestine with an increased propensity for 'leaky gut', according to new research. These changes in the gut ...
Jan. 20, 2025 — Over half of our genomes consists of thousands of remnants of ancient viral DNA, known as transposable elements, which are widespread across the tree of life. Once dismissed as the 'dark side' of the ...
Jan. 20, 2025 — Researchers have determined how children's immune systems react to different kinds of cancer depending on their age. The study reveals significant differences between the immune response of children ...
Jan. 17, 2025 — Nobody wants to share a day on the water with E. coli. The bacteria is a sure sign of fecal contamination, which is washed into waterways from farm fields or sewage systems by rain. The microbes are ...
Jan. 17, 2025 — Researchers have improved our understanding of how rotavirus, the most common cause of acute gastroenteritis in children, makes people sick. The study is among the first to show that the rotavirus ...
Jan. 17, 2025 — A new study has found older-looking brains in adults with sickle cell disease, helping to explain the cognitive challenges experienced by such individuals. A brain image from a healthy individual ...
Jan. 17, 2025 — Sunburn has traditionally been attributed to UV-induced DNA damage. However, a new study reveals that RNA, another vital cellular molecule, plays a ...
Jan. 17, 2025 — Subtle changes in the brain, detectable through advanced imaging, blood and spinal fluid analysis, happen approximately twenty years before a ...