Cigarette smokers who quit smoking but substitute e-cigarettes, or other tobacco product, are more likely to relapse. The United States Centers for Disease Control and…
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The number of people vaccinated once (yellow) and twice (green) under the prime first and prime boost scenarios. Prime first vaccinates double the number of…
Mayo Clinic researchers report that nurses in the U.S. experience suicidal ideation in greater numbers than other general workers and those who do are less…
Demyelinated spinal cord of mice suffering from autoimmune disease. Top, at room temperature, and bottom, exposed to cold. Myelin is colored in blue. The purple…
Shoe soles had the highest positivity rates, with 45% of samples testing positive for the bacteria. C. difficile is usually thought of as a hospital-associated…
A new study suggests that newborns who get more sleep and wake up less throughout the night are at lower risk of being overweight. Scientists…
Abnormal levels of beta-amyloid protein in the brain form plaques (brown in this illustration) between neurons, disrupting cells. Tau protein can form tangles (blue) within…
INRS Professor Charles Ramassamy, specialist on Alzheimer’s disease, doctoral student Mohamed Raâfet Ben Khedher and postdoctoral student Mohamed Haddad. Credit: INRS A balanced intake of…
A drug used to treat agitation in people with dementia is no more effective than a placebo, and might even increase mortality, according to a…
While ivermectin was originally used to treat river blindness, it has also been repurposed to treat other human parasitic infections. Ivermectin is an over 30-year-old…
New research provides strong evidence that COVID-19 is a seasonal infection linked to low temperatures and humidity, much like seasonal influenza. A new study led by…
Scientists studying the most common and aggressive type of brain tumor in adults have discovered a new way of analyzing diseased and healthy cells from…
Vaccination is over 90 percent effective at preventing deaths from the Delta variant of Covid-19, according to the first country-level data on mortality. The Pfizer-BioNTech…
Like so many other good things in life, sleep is best in moderation. A multiyear study of older adults found that both short and long…
According to a new study by the University of Delaware, many public health workers have been redeployed to COVID-related duties during the pandemic response, leaving…
Identifying the dynamic events occurring during urinary tract infections (UTI) has revealed a new potential strategy to combat this condition, considered the most common type…
Tracy Sloan with the infrared light therapy helmet. Tracy used the helmet to try and help improve her memory. Credit: Durham University/North News & Pictures…
People who had received a first dose of the Oxford-AstraZeneca COVID-19First identified in 2019 in Wuhan, China, Coronavirus disease 2019 (COVID-19) is an infectious disease…
During use, some sunscreens offer very limited protection against dangerous sunrays and may even be harmful. Chemical reactions involving a main ingredient — zinc oxide…
Study in animals suggests omega-3 supplement may reduce effects. Four weeks on a diet of highly processed food led to a strong inflammatory response in…