The concept of survival of the fittest most often applies to the competition that occurs within and between animal species, but evolutionary pressures can be found elsewhere–even in a cancerous tumor. Reporting in the journal PLOS ONE, Qian and Akçay suggest that incorporating evolutionary and ecological theory into cancer biology may help guide more effective treatment plans.
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Newts are the only four-legged vertebrates that can regenerate their body parts even as adults. When a newt loses a limb, a mass of cells, called a blastema, is generated at the stump, from which a new, fully functional limb is eventually regenerated.
A bite from a lancehead snake can be fatal. Species in the family, found throughout Central and South America, have venom that can disrupt blood clotting and cause hemorrhage, strokes and kidney failure
Intensive management of patients at high-risk for hospitalization increases use of outpatient care but does not increase overall costs. While the costs associated with caring for these patients were not reduced, researchers found that the costs shifted from inpatient to outpatient services. The study was published in Annals of Internal Medicine.
Researchers at the University of Delaware, working with colleagues at Indiana University, have gained new insights into the virus that causes hepatitis B — a life-threatening and incurable infection that afflicts more than 250 million people worldwide.
Researchers at the RIKEN Center for Brain Science in Japan have discovered that a gene associated with the human intellectual ability is necessary for normal memory formation in mice
A new study shows that hypnosedation is a valuable alternative to conventional general anaesthesia. Hypnosedation is a technique which combines hypnosis, conscious sedation, and local anaesthesia to block pain. It has previously been shown to decrease the need for medication, reduce adverse effects, and to accelerate postoperative rehabilitation when compared to general anaesthesia in which the patient is rendered unconscious.
An experimental vaccine regimen based on the structure of a vulnerable site on HIV elicited antibodies in mice, guinea pigs and monkeys that neutralize dozens of HIV strains from around the world. The findings were reported today in the journal Nature Medicine by researchers at the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, and their colleagues.
Fish consumption as part of a balanced diet has been associated with beneficial health effects, and recent studies have shown that cod intake can improve glucose regulation and insulin sensitivity in both rats and humans.
The maternal depressive mood during the prenatal and postnatal periods is related to child sleep disturbances, according to recent pilot data from a longitudinal cohort study in kindergarten children
Researcher have found the diuretic drug spironolactone may be just as effective as antibiotics for the treatment of women's acne. They found patients who were originally prescribed spironolactone changed to a different drug within one year at almost the same rate as those who were prescribed antibiotics. The study was published in the Journal of Drugs and Dermatology.