Diagnosing Alzheimer’s disease and determining a patient’s prognosis is an inexact business, and that stands in the way of better personalized care and advances in treatment. A new study from The Ohio State University has identified a potential new way of confirming the disease and predicting a patient’s outlook.
Cornell University food scientists have found that people with a diminished ability to taste food choose sweeter – and likely higher-calorie – fare. This could put people on the path to gaining weight.
Human-caused habitat loss looms as the greatest threat to some North American breeding birds over the next few decades. The problem will be most severe on their wintering grounds, according to a new study published in the journal Global Change Biology.
If it’s the thought that makes a gift count, here’s a thought that can make your gift count extra: Get a little something for yourself. Research published this month in the journal Personality and Social Psychology Bulletin by Evan Polman, marketing professor at the University of Wisconsin–Madison, and Sam Maglio, marketing professor at the University of Toronto Scarborough, shows that gift recipients are happier with a present when the giver got themselves the same present.
People who are diagnosed with coronary artery disease and then develop depression face a risk of death that’s twice as high as heart patients without depression, according to a major new study by researchers at Intermountain Healthcare in Salt Lake City.
The push to develop treatments for Alzheimer’s disease has yielded a greater understanding of the disease, but has failed to generate successful new drugs. To blame are the many undefined subtypes of mild cognitive impairment, a precursor to Alzheimer’s disease. But if scientists grouped people with similar types of cognitive impairment, they could more precisely test the impact of investigational drugs, according to findings in a July 28 article in the journal Scientific Reports, a publication of Nature Research.
Two studies by scientists from the National University of Singapore unveiled interesting findings about the relationship between personality traits of spiders and their decision-making as well as hunting styles.
A University of Michigan ecologist and his colleagues have discovered three more frog species in the Peruvian Andes, raising to five the total number of new frog species the group has found in a remote protected forest since 2012.
A brain penetrant drug — a small-molecule mimetic of BDNF, or brain derived neurotrophic factor — is able to improve brain performance in Rett syndrome mice — specifically synaptic plasticity in the hippocampus and object location memory. The hippocampus is involved in learning and memory.
• From 2007-2012, deceased donor kidneys in the United States were offered a median of 7 times before finally being accepted for transplantation. • Such refusals may have contributed to racial and ethnic disparities that exist in access to transplantation in the United States.
University of Washington researchers have found that the trait of social dominance, and the dynamics surrounding it, may be so naturally ingrained that toddlers as young as 17 months old not only can perceive who is dominant, but also anticipate that the dominant person will receive more rewards.
A team of researchers at the University of California San Diego School of Medicine and the Salk Institute for Biological Studies describe development and application of new electron microscopic imaging tools and a selective stain for DNA to visualize the three-dimensional structure of chromatin — a complex of molecules that helps pack six feet of DNA into each cell nucleus, construct chromosomes and control gene expression and DNA replication.
UF/IFAS researchers used a baseline comparison of infection and transmission rates of Florida mosquitoes to those from the Dominican Republic, a region associated with numerous human cases. Barry Alto, an associate professor of entomology at the UF Institute of Food and Agricultural Sciences, led a team of UF/IFAS researchers that measured mosquito infection and transmission of the emergent strains of chikungunya -- Asian and Indian Ocean – in Aedes aegypti and Aedes albopictus mosquitoes.
Scientists at the University of Chicago and Argonne National Laboratory have discovered a new way to precisely pattern nanomaterials that could open a new path to the next generation of everyday electronic devices.
The smile may be the most common and flexible expression, used to reveal some emotions, cover others and manage social interactions that have kept communities secure and organized for millennia. But how do we tell one kind of smile from another?
A Henry Ford Hospital study has shown that skin transplant surgery has long-term benefit for restoring skin pigmentation caused by the skin disease vitiligo. In a retrospective study, researchers found that a majority of areas of the skin treated with surgery still had “very good to excellent” color match pigmentation five years later.
A research group led by Raimund Fromme has gained important new insights by resolving with near-atomic clarity, the very first core membrane protein structure in the simplest known photosynthetic bacterium, called Heliobacterium modesticaldum (Helios was the Greek sun god). By solving the heart of photosynthesis in this sun-loving, soil-dwelling bacterium, Fromme’s research team has gained a fundamental new understanding of the early evolution of photosynthesis, and how this vital process differs between plants systems.
Researchers funded by NIH have developed an imaging method that reveals a much more diverse and flexible DNA-protein chromatin chain than previously thought. The result suggests a nimbler structure to regulate gene expression, and provide a mechanism for chemical modifications of DNA to be maintained as cells divide.
A test called the lung clearance index (LCI) is superior to standard tests in identifying patients with lung disease related to military deployment, suggests a study in the August Journal of Occupational and Environmental Medicine.
Genes that regulate a cellular recycling system called autophagy are commonly mutated in Crohn’s disease patients, though the link between biological housekeeping and inflammatory bowel disease remained a mystery.
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