A unique study purposely giving participants Streptococcus pyogenes (Strep A) to learn how much penicillin it takes to prevent infection has found the amount needed is much lower than previously thought—a discovery that will transform thinking on treatment for people living with rheumatic heart disease (RHD).
How stress may cause sleep and memory deficits
Stress worsens sleep quality and can impair memory. Shinjae Chung, from the University of Pennsylvania, led a study to explore a neural pathway in male mice that stress may influence, to cause sleep and memory disturbances.
Thousands of pediatric firearm deaths linked to more permissive state gun laws
Guns are now the leading cause of death for youth in the United States. Researchers from Mass General Brigham investigated whether firearm mortality rates among U.S. children ages 0–17 changed in the 13 years following a 2010 Supreme Court ruling that applied the Second Amendment to state and local governments.
Healthy sleep patterns in adolescence predict better cardiovascular health in the future
A new study to be presented at the SLEEP 2025 annual meeting found that teens with earlier, more efficient, and less variable sleep patterns at age 15 had better cardiovascular health at age 22.
Primary care clinics can successfully use glucose monitors to help people with diabetes
A new study from the University of Colorado Anschutz Medical Campus shows that primary care clinics can successfully help patients start using continuous glucose monitors (CGMs), which track blood sugar levels in real time.
Creatine is safe, effective and important for everyone, researcher says
Creatine, the supplement popular with athletes for its ability to help build strength and power, is increasingly being recognized for its broad health benefits.
Compound produced by gut bacteria may slow Alzheimer’s progression
A compound found in the gut may reduce some of the manifestations of Alzheimer’s disease, according to a Northwestern Medicine study published in the Journal of Clinical Investigation.
Mouth and gut bacteria linked to brain changes in Parkinson’s disease
Scientists have discovered a link between bacteria in the mouth and gut and the progression of cognitive decline in Parkinson’s disease. Specific changes in these bacteria, known as the microbiome, have been associated with cognitive decline in Parkinson’s. This includes the shift from mild memory issues to dementia, a common and distressing symptom of the disease.
Recognizing sex differences in heart disease can improve treatments for all
One-size-fits-all hats are okay, but one-size-fits-all medical treatments don’t cut it. A new study shows that drug treatment outcomes are significantly different for a type of heart valve disease, called aortic valve stenosis, based on how the disease progresses in males versus females.
Ghana’s older people feel left behind and ignored: Researcher shares how to care for them better
Ghana’s national agenda often focuses on the country’s large number of young people. In fact a less noticed demographic transformation is reshaping society: the country’s older population is growing rapidly. According to Ghana Statistical Service estimates, people aged 60 and above are projected to make up over 12% of the total population by 2050, more than doubling the 2021 estimate of 6.8%.