Known for its role in relieving depression, the neurochemical serotonin may also help the brain execute instantaneous, appropriate behaviors in emergency situations, according to a new Cornell study published Feb. 1 in Science. The researchers studied brain activity patterns in mice. If a mouse was experiencing a threat, dorsal raphe serotonin neurons would fire during…
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CORVALLIS, Ore. — Warmer water temperatures, combined with low-level exposure to chemicals already known to be harmful to aquatic life, influence the expression of genes in the offspring of an abundant North American fish species — and threaten organisms whose sex determination is sensitive to water temperature. The finding is published in the online journal…
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IMAGE: Gregory Aune, M.D., Ph.D., of UT Health San Antonio, (pointing) served on a team that found different chemotherapy drugs used to treat children with cancer appear to have different risks… view more SAN ANTONIO — In long-term survivors of childhood cancer, cardiovascular disease is a leading cause of early death from non-cancer causes. In a…
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IMAGE: Founded in 1942, the American Geriatrics Society (AGS) is a nationwide, not-for-profit society of geriatrics healthcare professionals that has — for 75 years — worked to improve the health, independence,… view more Credit: (C) 2019, American Geriatrics Society New York (Jan. 31, 2019)—The American Geriatrics Society (AGS) today offered a ringing endorsement of the bipartisan…
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Signaling through interleukin-10 (IL-10) receptors on gut immune cells plays a critical role in protecting the gut lining and microbiota from disruption caused by whipworms, according to a study published January 31 in the open-access journal PLOS Pathogens by María Duque-Correa of the Wellcome Sanger Institute in the UK, and colleagues. The human gut is…
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IMAGE: Extreme drought and record heat have laid the groundwork for hugely destructive and deadly wildfires, including the now infamous «Camp Fire, » seen here a few hours after it ignited on… view more Credit: NASA Earth Observatory image by Joshua Stevens. CAMBRIDGE, Mass., January 31— The Harvard Museum of Natural History announces the new Climate…
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IMAGE: When neurons get the blues. This artistic image shows neurons derived from pluripotent stem cells of antidepressant (SSRI) resistant depressed patients. SSRI-resistant patient neurons display hyperactivity in response to serotonin…. view more Credit: Salk Institute LA JOLLA—(January 31, 2019) The most commonly prescribed antidepressants, selective serotonin reuptake inhibitors (SSRIs), lift the fog of depression for…
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Experiencing a bacterial infection? You’re generally prescribed antibiotics by your doctor. But how exactly do those antibiotics and your white blood cells work in tandem to improve your infection? «The human body’s first line of defense against bacteria are certain white blood cells called neutrophils,» says J. Scott VanEpps, M.D., Ph.D., assistant professor of emergency…
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Transplanted pancreatic islets in diabetic animals can survive for a long period of time if the animals are treated with short anti-rejection therapy around the time of the transplant. This has been shown by researchers at Karolinska Institutet, Sweden, and the Diabetes Research Institute, University of Miami Miller School of Medicine, USA, in a new…
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EMBARGOED UNTIL 12:01 a.m., Jan. 31, 2019, CLEVELAND — A Cleveland Clinic survey finds that while most Americans (88 percent) understand that there is a connection between a healthy heart and a healthy weight, most aren’t doing enough — or anything — to combat their own weight issues. The survey found 74 percent are concerned…
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