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Control of the iRhom2 protein may hold the key to preventing Alzheimer’s disease

It is known that the onset of Alzheimer’s disease (AD) is associated with the accumulation of Amyloid beta (Aβ) peptides in small molecular clusters known as oligomers. These trigger the formation of so-called ‘neurofibrillary tangles’ within neurons hamper their workings, ultimately causing cell death and so significant cognitive decline. Very large Aβ oligomers which form

Survey of oncologists finds knowledge gap on medical marijuana

As more states legalize medical marijuana, two key groups—researchers whose job is it to understand its benefits and drawbacks, and physicians charged with advising potential users—are struggling to catch up with policymakers. Ilana Braun, an assistant professor of psychiatry at Harvard Medical School and chief of the division of adult psychosocial oncology at the Dana-Farber

Exposure to maternal HTN may up risk of ASD, ADHD in child

(HealthDay)—Exposure to hypertensive disorders of pregnancy (HDP) may be associated with an increase in the risk of autism spectrum disorder (ASD) and attention deficit/hyperactivity disorder (ADHD) in offspring, according to a review published online June 6 in JAMA Psychiatry. Gillian M. Maher, M.P.H., from University College Cork in Ireland, and colleagues conducted a systematic literature

Early source of irritable bowel syndrome discovered

Michigan State University scientists have identified an early cause of intestinal inflammation, one of the first stages of inflammatory bowel disease and irritable bowel syndrome, which afflict around 11 percent of the world’s population. The discovery, featured in the current issue of Cellular and Molecular Gastroenterology and Hepatology, points to communication between sensory neurons in

Beyond the ‘Reading Wars’: How the science of reading can improve literacy

A new scientific report from an international team of psychological researchers aims to resolve the so-called “reading wars,” emphasizing the importance of teaching phonics in establishing fundamental reading skills in early childhood. The report, published in in Psychological Science in the Public Interest, a journal of the Association for Psychological Science, shows how early phonics

Dorsal reduction adds to social perception of rhinoplasty

(HealthDay)—Dorsal reduction has a greater effect than tip manipulation in adding value to social perception of the facial profile of patients undergoing cosmetic rhinoplasty, according to a study published online June 7 in JAMA Facial Plastic Surgery. Cherian K. Kandathil, M.D., from Stanford University in California, and colleagues assessed the social perception of four patients

How many types of smile are there?

In the mid 19th century, French neurologist Guillaume Duchenne wanted to distinguish real smiles from fake. Interested in the response of nerves and muscles to stimulation, he applied electricity to particular parts of faces to see the results. He divided smiles into two groups: those that involved the crinkling of the eyes – sincere smiles