Bone marrow transplants of hematopoietic stem cells have become standard treatment for a host of conditions including cancers of the blood and lymphatic systems, sickle cell anemia, inherited metabolic disorders, and radiation damage. Unfortunately, many bone marrow transplants fail due to rejection by the patient’s immune system or graft-versus-host disease (in which the transplanted marrow…
Last week, Michael L. Johnson, a former college wrestler convicted of failing to disclose to sexual partners that he was H.I.V. positive in a racially charged case that reignited calls to re-examine laws that criminalize H.I.V. exposure, walked out of the Boonville Correctional Center in Missouri 25 years earlier than expected. Mr. Johnson, 27, was…
Chemotherapy treatment for people who have advanced bowel cancer and a particular genetic mutation is commonly ineffective. A combination of three different drugs could be the key to improved treatment. New research reveals the power of triple therapy when it comes to tackling aggressive bowel cancer. The outlook for people with standard bowel cancer —…
In this Spotlight feature, we investigate whether the bacteria that live in our guts could influence our blood pressure. If so, could they guide future treatment? Hypertension is growing in prevalence, but can we blame gut bacteria? Scientists are growing increasingly interested in the role of gut bacteria. Each week, journals publish many study papers…
IMAGE: Baylor University biochemist Jung-Hyun Min, Ph.D., led a study that provides better understanding of how sunlight-induced DNA damage is initially recognized for repair in cells view more Credit: Robert Rogers/Baylor University A team led by a Baylor University researcher has published a breakthrough article that provides a better understanding of the dynamic process by which…
What The Study Did: This study of 1,600 older adults free of dementia at baseline examined whether accumulation over a lifetime of cognitive and social activities was associated with a slower rate of memory loss and a reduced risk of dementia, taking into account brain pathologies. Authors: Xiuying Qi, Ph.D., and Weili Xu, M.D., Ph.D.,…
Bottom Line: This observational study looked at whether a healthy lifestyle was associated with a lower risk of dementia regardless of genetic risk. Genetic factors are associated with increased risk of dementia but to what extent these might be offset by lifestyle factors is unknown. Genetic information from the UK Biobank was available for the…
IMAGE: Female meerkats kill the offspring of their competitors to gain advantages for themselves and their own offspring, even if the victims are the children of their own sisters or daughters. view more In previous studies, males have been found to kill when females will not mate with them if they are still caring for an…
Living a healthy lifestyle may help offset a person’s genetic risk of dementia, according to new research. The study was led by the University of Exeter – simultaneously published today in JAMA and presented at the Alzheimer’s Association International Conference 2019 in Los Angeles. The research found that the risk of dementia was 32 per…
Young athletes who do not achieve a 90 percent score on a battery of tests that measure fitness to return to athletic competition, including quadricep strength, are at increased risk for a second knee injury, according to research presented at the Annual Meeting of the American Orthopedic Society of Sports Medicine. Orthopedic surgeons and sports…