Flexibility demands influence motor cortex’s involvement in execution of motor sequences, rat study finds

Simplified schematic representation of the motor control system considered in this study, and the hypotheses about how it is used in response to different challenges. Credit: Mizes et al. The…

SARS-CoV-2 spike protein accumulation linked to long-lasting brain effects

Visualization of SARS-CoV-2 viral tropism in whole mouse bodies and SARS-CoV-2 spike protein persistency in skull marrow and brain. (A–E) SARS-CoV-2-GFP aerosol infection in K18-hACE2 mice. (A) Illustration of SARS-CoV-2-GFP…

Men who conform to traditional gender roles are at a higher risk of suicide, finds study

Latent profile-derived subgroups of men conforming to traditional masculinity ideologies. Credit: Heliyon (2024). DOI: 10.1016/j.heliyon.2024.e39094 Men commit suicide much more often than women. Those who want to live up to…

Scientists find cause of rare devastating, autoimmune disease in Puerto Ricans—but also find potential treatment

DNA, which has a double-helix structure, can have many genetic mutations and variations. Credit: NIH A rare autoimmune condition with a tongue-twister of a name may impact people of Puerto…

Why lead-tainted cinnamon products have turned up on shelves, and what questions consumers should ask

Credit: CC0 Public Domain Spices bring up feelings of comfort, cultural belonging and holidays. They can make our homes smell amazing and our food taste delicious. They can satisfy our…

WHO wants bird flu surveillance stepped up

Colorized transmission electron micrograph of Avian influenza A H5N1 viruses. Credit: Public Domain The World Health Organization on Thursday urged countries to step up surveillance for bird flu after the…

Glioblastoma treatment shows promise in mouse study

GAD activity in immunocompromised setting. Credit: Nature (2024). DOI: 10.1038/s41586-024-08224-z Memorial Sloan Kettering Cancer Center-led researchers have identified a small molecule called gliocidin that kills glioblastoma cells without damaging healthy…

Talk therapy and rehabilitation may improve long COVID symptoms, but effects are modest

Credit: SHVETS production from Pexels Cognitive behavioral therapy (CBT) and a program of physical and mental rehabilitation probably improve symptoms of long COVID, but the effects are modest, finds a…

Clinical trial reveals twice-yearly injection reduces risk of HIV infection by 96%

Credit: Pixabay/CC0 Public Domain For oral medications that prevent new HIV infection to be effective, the patient must take certain actions, including attending doctor’s visits every three months and—most importantly—consistency.…

Higher sweet beverage tax shows null result in lowing Philadelphia youth obesity

Credit: CC0 Public Domain Children’s Hospital of Philadelphia, the University of Pennsylvania, Harvard Medical School and the Harvard T.H. Chan School of Public Health found no significant changes in pediatric…