Researchers funded by the National Institutes of Health (NIH) have found that a single injection of the antibiotic benzathine penicillin G (BPG) successfully treated early syphilis just as well as the three-injection regimen used by many clinicians in the United States and elsewhere. These findings from a late-stage clinical trial suggest the second and third doses of conventional BPG therapy do not provide a health benefit. The results were published today in The New England Journal of Medicine.

A protein particle hidden within the SARS-CoV-2 virus could lead to longer-lasting, more protective vaccines for COVID-19. 

UCLA Health has received a $7.1 million grant from the National Institutes of Health to expand research into a newer form of psychotherapy that has been shown to more significantly alleviate chronic pain among older adults compared to traditional cognitive behavioral therapy. 

New meta analysis demonstrated that access to the GeneSight test can significantly improve response and remission rates for patients with depression. Compared to treatment as usual patients, those who were given the GeneSight test were 41% more likely to acheieve remission and 30% more likely to acheieve response. Results of the analysis have been published in the Journal of Clinical Pharmacology. 

Some sugar substitutes may come with unexpected consequences for long-term brain health, according to a study published in the September 3, 2025, issue of Neurology^®, the medical journal of the American Academy of Neurology. The study examined seven low- and no-calorie sweeteners and found that people who consumed the highest amounts experienced faster declines in thinking and memory skills compared to those who consumed the lowest amounts. The link was even stronger in people with diabetes. While the study showed a link between the use of some artificial sweeteners and cognitive decline, it did not prove that they were a cause.