Medical Xpress news

For the first time, an international study has deciphered the genome of the population of Brazil. Published in the journal Science, the research includes the African, Native American, and European ancestries making up this ...

A decades-long scientific challenge in HIV vaccine development has been finding a way to train the immune system to produce antibodies that can target many variants of the virus. Traditional approaches haven't worked—largely ...

Researchers at Washington University School of Medicine in St. Louis have upended the decades-old dogma of how connections between brain cells are rearranged during states of heightened vigilance or attention. The team found ...

Fear memories can form in the brain following exposure to threatening situations such as natural disasters, accidents, or violence. When these memories become excessive or distorted, they can lead to severe mental health ...

University of Oklahoma researchers have discovered that some bacteria in the gut have their own unique "weapon system" to compete against other bacteria for dominance. Importantly, there is promising evidence that this system ...

An often-ignored type of cell in the brain plays a dynamic and surprisingly complex role in our ability to process information, according to new research from Oregon Health & Science University.

Attention-deficit/hyperactivity disorder (ADHD) might contribute to obesity by reducing physical activity—a relationship that can also be mediated by the features of the urban environment in which a person lives.

A decade ago, a clinical trial in the U.K. famously showed that children who were exposed to peanuts in the early months of life had reduced risk of developing a peanut allergy compared with children who avoided peanuts.

More than 75% of new infectious diseases affecting humans originally come from animals. Bats, in particular, are natural hosts to some of the world's most dangerous viruses, including those responsible for COVID-19 (SARS-CoV-2), ...

Researchers at the Garvan Institute of Medical Research and UNSW Sydney have discovered why some people with celiac disease continue to suffer debilitating symptoms despite strictly avoiding gluten.

Young people in the U.K. who lived in polluted areas during their early years are more likely to report worse general health than their peers at age 17, according to new UCL research.

Scientists report that they have learned how certain combinations of rearranged genes can promote the progression of a rare type of kidney cancer. The study was led by investigators at the Johns Hopkins Kimmel Cancer Center ...