Cart is empty A new study from Karolinska Institutet shows how a small antibody fragment can block fertilization by targeting a key protein on the surface of the egg. This discovery brings a nonhormonal contraceptive one step closer to reality. The study has been published in the Proceedings of the National Academy of Sciences.
Public health risks of urban wildfire smoke prompt push for more monitoring
When the catastrophic Los Angeles fires broke out, John Volckens suspected firefighters and residents were breathing toxic air from the burning homes, buildings, and cars, but it was unclear how much risk the public faced. So, the professor of environmental health at Colorado State University devised a plan to get answers.
Drug trio sparks hope for families affected by inherited motor neuron disease
A team of researchers from the University of Wollongong (UOW) have discovered that a unique trio of medications could hold the key to improved treatment outcomes for hereditary cases of motor neuron disease (MND) caused by mutations in the SOD1 protein.
Repeated treatment with malaria medication can decrease its effect
In a recently published article in the journal Nature Communications, researchers at Karolinska Institutet present results indicating that repeated treatment with piperaquine, an antimalarial drug, can lead to the parasites developing decreased sensitivity to this drug. These findings may impact the use of piperaquine in the future.
Autism: The neural origin of the social bond
From birth, human survival depends on the ability to engage with others. This ability, which is essential for development, seems to be impaired very early on in children with autism spectrum disorders (ASD), who show limited interest in social stimuli from their first year of life.
Hospital visits for cannabis use linked to higher dementia risk
Individuals with an emergency department (ED) visit or hospitalization due to cannabis were at 23% and 72% greater risk of a new dementia diagnosis within five years compared to individuals with an ED visit or hospitalization for any other reason or the general population, according to a new study published in JAMA Neurology.
Analysis finds steep increase of self-harm among California girls, multiracial youth
The number of California teens who have been treated for self-harm has ballooned in recent years, with an especially concerning increase among multiracial girls, according to new research from the University of California, Berkeley, published in JAMA Pediatrics.
New device improves mobility among seniors through arm movement
Aging can impair people’s ability to maintain their balance while walking, increasing the risk for falls and injuries. One method for improving motor skills for walking is through training or rehabilitating gait—a person’s walking pattern.
Rise and shine: Natural light lessens morning fatigue, study finds
Sleep is a necessary part of people’s daily routine, but modern lifestyles and technology have ushered in an era of decreased rest time and subsequent fatigue. Further, the bedroom environment, such as light, sound, and temperature, is important for a good night’s sleep, though this is often neglected in residential architecture.
Study estimates adolescents living with overweight and obesity in England has increased by 50% between 2008–2023
New research presented at the European Congress on Obesity (ECO 2025, Malaga, Spain, 11–14 May) shows that the proportion of adolescents living with overweight or obesity in England has increased by 50% from 2008-2010 (22%) to 2021–2023 (33%).