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Study reveals how our brains track where we and others go

As COVID cases rise, physically distancing yourself from other people has never been more important. Now a new UCLA study reveals how your brain navigates places and monitors someone else in the same location.

23 Dec 2020

Many lighter smokers can be addicted to cigarettes

Even people who consider themselves to be casual cigarette smokers may be addicted, according to current diagnostic criteria.

23 Dec 2020

New study evaluates how different face masks affect the acoustics of speech

Researcher Ryan Corey recently heard from a friend who teaches at a school where some of the students have hearing loss.

23 Dec 2020

Frequent and rapid testing may reduce SARS-CoV-2 transmission in carehomes

A team of scientists from the Centers for Disease Control and Prevention, United States, recently conducted a study to evaluate the effectiveness of serial testing and isolation of healthcare personnel in nursing homes in preventing the transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative pathogen of coronavirus disease 2019 (COVID-19).

23 Dec 2020

E-cigarettes, as consumer products, are not associated with smoking cessation

E-cigarette use has risen steeply and mostly without regulation over the past decade. The devices have diversified into a dizzying array of vape pens, tank systems, "mods," and more, mass-marketed and sold to the public.

23 Dec 2020

Modeling the phases of quarantine reveals two-phase route is always better than one

New research into this question shows that the second wave of an epidemic is very different if a population has a homogenous distribution of contacts, compared to the scenario of subpopulations with diverse number of contacts.

23 Dec 2020

SARS-CoV-2 mutations may evade T cell immunity

A potentially disturbing new study suggests that SARS-CoV-2 may be undergoing strategic mutations that affect the host immune capacity to recognize and combat the pathogen via T effector cells.

23 Dec 2020

COVID-19 severity could be linked to genetic variance

A new study describes some potentially important genetic factors in the host that may shape the clinical symptoms and signs of the disease.

23 Dec 2020

Nocturnal respiratory rate of heart patients can help predict the success of ICD treatment

onditions causing arrhythmia are among the most common cardiac conditions. A study headed by Prof. Georg Schmidt of the Technical University of Munich has demonstrated for the first time that the nocturnal respiratory rate can help with an important prediction: It is an indicator of whether a defibrillator will help to extend the life of patients with arrhythmia.

21 Dec 2020

Using data from wearables to characterize COVID-19 and influenza

By analyzing Fitbit data and self-reported symptoms, researchers from Evidation Health and collaborators analyzed trends in heart rate, step count, and symptom duration between patients with flu and those with COVID-19.

21 Dec 2020

How has the COVID-19 pandemic affected the wellbeing of healthcare workers?

A new study by US-based researchers – at the Northwest Mental Illness Research, Education and Clinical Center and Columbia University – has found that healthcare workers have experienced significant psychiatric distress during the pandemic.

21 Dec 2020

Cross-reactive coronavirus antibodies shape COVID-19 convalescent plasma functionality

The onset of the current COVID-19 pandemic revealed the seventh known pathogenic human coronavirus, SARS-CoV-2.

21 Dec 2020

Study reveals critical role of perirhinal cortex in managing learning process

The famous patient Henry Molaison (long known as H.M.) suffered damage to his hippocampus after a surgical attempt to cure his epilepsy. As a result, he had anterograde amnesia, which meant that things he learned never made it past his short-term memory.

21 Dec 2020

FDA approves first implant system for adults who have above-the-knee amputations

The U.S. Food and Drug Administration today approved the Osseoanchored Prostheses for the Rehabilitation of Amputees (OPRA) Implant System, the first implant system marketed in the U.S. for adults who have transfemoral—or above-the-knee—amputations and who have or are anticipated to have rehabilitation problems with, or cannot use, a conventional socket prosthesis.

18 Dec 2020

Quantifying SARS-CoV-2 transmission in large urban areas

A team of international researchers used mobility information and socio-demographic data to build a model of SARS-CoV-2 transmission to understand where, when, and how many transmission events occurred in the first wave of the pandemic in the United States.

18 Dec 2020

New microscope could allow surgeons to inspect tumor margins within minutes

When surgeons remove cancer, one of the first questions is, "Did they get it all?" Researchers from Rice University and the University of Texas MD Anderson Cancer Center have created a new microscope that can quickly and inexpensively image large tissue sections, potentially during surgery, to find the answer.

18 Dec 2020

Can online health forums track the effect of COVID-19 on mental health?

A team of researchers at King's College London, UK, and other institutions used publicly accessible sources of real-world data, such as online health forums. They found that authors of COVID-19 related posts most frequently mentioned mental health symptom keywords during the first wave, followed by physical symptoms and intensive care keywords.

18 Dec 2020