Millions of people in the US are concussed every year playing sports. Players of games like American football are at particularly high risk for injuries that can have devastating long-term consequences. Stanford University scientists working with the company Savior Brain have now designed one potential way of protecting players: a helmet containing liquid shock absorbers that could reduce the impact of blows to the head by a third.

Public confidence in vaccines has plunged across sub-Saharan Africa since the COVID-19 pandemic, according to a study of 17,000 people, across eight countries, published today in the journal Human Vaccines & Immunotherapeutics.

Lesbian, gay and bisexual (LGB) people are more than twice as likely than their straight peers to experience suicidal thoughts or self-harming behaviors, finds a new study led by UCL researchers.

Taking a two-week course of metformin, a safe and affordable diabetes medication after testing positive for SARS-CoV-2 leads to 40% fewer long COVID diagnoses over the following 10 months, compared to individuals taking a placebo, finds a new study published in The Lancet Infectious Diseases journal.

According to a study published in American Journal of Roentgenology (AJR), transient ischemic attack (TIA) emergency department (ED) encounters with incomplete neurovascular imaging were associated with higher odds of subsequent stroke within 90 days.