Culture

TORONTO, February 26, 2018 - Is clinical depression always the same illness, or does it change over time?

New brain imaging research from the Centre for Addiction and Mental Health (CAMH) shows that the brain alters after years of persistent depression, suggesting the need to change how we think about depression as it progresses.

New Rochelle, NY, February 26, 2018--The functional gut microbiome provides an exciting new therapeutic target for treating psychiatric disorders such as anxiety and trauma-related conditions.

If first-degree relatives are affected by colorectal cancer, this indicates a person's own elevated risk of developing bowel cancer. The same holds true for people who have large numbers of genetic risk markers in their genome. Both factors are usually used alternatively, not combined, to predict risk. Scientists from the German Cancer Research Center (DKFZ) in Heidelberg have now shown that a combination of family history and an analysis of genetic markers helps determine a person's colorectal cancer risk more precisely.

OAK BROOK, Ill. - The Olympic Games give elite athletes a chance at athletic triumph, but also carry a risk of injury. When injuries occur, it is critical that they be evaluated quickly. Onsite imaging services play an important role in the management of Olympic athletes with sports-related injuries and disorders, according to a new study published online in the journal Radiology.

Demographic characteristics can help identify groups of immigrants in Canada at high risk of tuberculosis (TB), according to new research in CMAJ (Canadian Medical Association Journal).

"Screening latent TB infection based on demographic factors at the time of immigration is a necessary first step toward eliminating TB in migrants to Canada," says Dr. James Johnston of the University of British Columbia and the BC Centre for Disease Control in Vancouver, BC.

People express greater approval for political outcomes as soon as those outcomes transition from being anticipated to being actual, according to new research published in Psychological Science, a journal of the Association for Psychological Science. Findings from three field studies indicate that people report more favorable opinions about policies and politicians once they become the status quo.

Anxiety can help people to remember things, a study from the University of Waterloo has found.

The study of 80 undergraduate students found that manageable levels of anxiety actually aided people in being able to recall the details of events.

It also found that when anxiety levels got too high or descended into fear, it could lead to the colouring of memories where people begin to associate otherwise neutral elements of an experience to the negative context.

A research team has published a new study lead by Pat Roche, professor of astrophysics at The University of Oxford, and Chris Packham, associate professor of physics and astronomy at The University of Texas at San Antonio. It reveals a new high resolution map of the magnetic field lines in gas and dust swirling around the supermassive black hole at the center of our galaxy. The team created the map, which is the first of its kind, using the CanariCam infrared camera attached to the Gran Telescopio Canarias on the island of La Palma.

Deep learning has been experiencing a true renaissance especially over the last decade, and it uses multi-layered artificial neural networks for automated analysis of data. Deep learning is one of the most exciting forms of machine learning that is behind several recent leapfrog advances in technology including for example real-time speech recognition and translation as well image/video labeling and captioning, among many others.

A clinical study conducted by scientists at British American Tobacco have revealed that when smokers switch completely from cigarettes to glo, their exposure to certain cigarette smoke toxicants is significantly reduced, in some cases to levels comparable to those seen in smokers who quit smoking completely.

These results add to evidence suggesting that glo may have the potential to be substantially reduced risk compared to smoking conventional cigarettes.

Researchers at Brigham and Women's Hospital (BWH) have discovered a new cellular and molecular pathway that regulates CD4+ T cell response--a finding that may lead to new ways to treat diseases that result from alterations in these cells. Their discovery, published online in the Journal of Allergy and Clinical Immunology, shows that administering nicotinamide adenine dinucleotide (NAD+), a natural molecule found in all living cells, shuts off the capacity of dendritic cells and macrophages to dictate CD4+ T fate.

PULLMAN, Wash. Soil pathogen testing - critical to farming, but painstakingly slow and expensive - will soon be done accurately, quickly, inexpensively and onsite, thanks to research that Washington State University scientists plant pathologists are sharing.

As the name implies, these tests detect disease-causing pathogens in the soil that can severely devastate crops.

Until now, the tests have required large, expensive equipment or lab tests that take weeks.

Lizards have special superpowers. While birds can regrow feathers and mammals can regrow skin, lizards can regenerate entire structures such as their tails. Despite these differences, all have evolved from the same ancestor as lizards.

Spreading through the Americas, one lizard group, the anoles, evolved like Darwin's finches, adapting to different islands and different habitats on the mainland. Today there are more than 400 species.

URBANA, Ill. - Over the past 30 years, the prevalence of overweight and obesity has doubled in 2- to 5-year-olds and tripled in children aged 6 to 11 years. To address this public health concern, in 2011, the USDA funded the Illinois Transdisciplinary Obesity Prevention Program (I-TOPP), a joint doctoral/Masters of Public Health (MPH) degree program, at the University of Illinois with the goal of training future leaders to address the problem of childhood obesity.

Many hospital patients get medicine or nutrition delivered straight into their bloodstream through a tiny device called a PICC. In just a decade, it's become the go-to device for intravenous care.

But a new study finds that one in every four times a PICC gets inserted, the patient didn't need it long enough to justify the risks that it can also pose.

In fact, in just the five days or less that they had a PICC implanted in their vein, nearly one in ten of these patients suffered a blocked line, an infection, a blood clot or another complication linked to the device.