Researchers found that drugs like Ritalin may work as a study aid by shifting attention, through the brain chemical dopamine, from the challenges of undertaking a difficult mental task to its rewards.
February 4, 2020 —
Stress can cause hair to gray prematurely by affecting the stem cells that are responsible for regenerating hair pigment, researchers found.
February 4, 2020 —
In a small study, a drug approved to treat overactive bladder boosted brown fat activity and improved glucose metabolism in healthy women.
February 4, 2020 —
Experimental treatments in animal models of HIV led to the viruses emerging from their hiding places, a first step needed to make HIV vulnerable to the immune system.
January 28, 2020 —
An analysis of U.S. death certificate data showed that alcohol-related deaths increased among people in almost all age and racial and ethnic groups between 1999 and 2017.
January 28, 2020 —
A study suggested that PET imaging of tau tangles in the brain could be a way to track development of Alzheimer’s disease, predict loss of brain tissue, and assess new treatments.
January 14, 2020 —
Delivering the only approved tuberculosis vaccine intravenously greatly enhanced its ability to protect rhesus monkeys from infection.
January 14, 2020 —
People with higher exposures to common insecticides called pyrethroids had an increased risk of death in the years following the measurements.
January 14, 2020 —
A laboratory study gave new insight into how skin creams, cosmetics, and fragrances may cause immune responses that lead to rashes in some people.
