Addition of progesterone leads to increased breast growth for those taking gender-affirming hormones, research finds

Scientists have developed a tool made from a modified glue gun that can 3D print bone grafts directly onto fractures and defects during surgery.

Bladder cancer is a painful and often recurring disease, not just for humans, but for our canine companions as well. Urothelial carcinoma, the most common type of bladder cancer, affects both species in remarkably similar ways—from the genetics to the clinical progression. This shared burden also means a shared challenge: how to detect and treat the aggressive form of the disease that's responsible for most relapses.

More than one billion people are living with mental health disorders, according to new data released by the World Health Organization (WHO), with conditions such as anxiety and depression inflicting immense human and economic tolls. While many countries have bolstered their mental health policies and programs, greater investment and action are needed globally to scale up services to protect and promote people's mental health.

As we get older, our muscle strength slowly declines—increasing our risk of falls, injuries, and loss of independence. In particular, we rely on our lower body strength for many essential daily activities such as walking and climbing stairs. Strength training can help offset the weakening of muscles, but not everyone has the means (or even the desire) to hit the gym for regular weightlifting sessions.

From Pong and Pac-Man to Minecraft and Fortnite, video games have always been a lot of fun. Sometimes, however, gamers become fixated, compulsive or—worse—spiral into a full-blown gaming disorder marked by isolation, distress, interpersonal conflicts and severe neglect of responsibilities. But are the games to blame?

From images of fruit to claims of being "sugar-free," baby foods often feature misleading claims aimed at convincing parents the products are a healthy choice, new research shows.

Big pharmacies and public health clinics in Georgia are not yet giving this year's COVID-19 booster shots, or are putting new restrictions in place, amid vaccine uncertainty under Department of Health and Human Services Secretary Robert F. Kennedy.

The Trump administration has given notice that political appointees, rather than scientists, will ultimately decide who gets grant money from the world's largest biomedical research funder—the federal government's National Institutes of Health.

Fibrosis of the lungs is often a silent disease until it's too late. By the time patients are diagnosed, the scarring of their lung tissue is already advanced, and current treatments offer little more than a slowing of the inevitable. But what if we could understand the very first steps of this disease before irreversible damage sets in?

An aging population, still recovering from the COVID-19 pandemic, is seeking more treatment for dizziness and imbalance in Minnesota.

Adults over 65 whose weight decreases or fluctuates by more than 5% may experience faster cognitive decline, according to researchers in the Department of Nutritional Sciences at Penn State. The team has published its findings in the journal Obesity.

King's College London and Imperial College London, in collaboration with the UK MS Register, report a prevalent multiple sclerosis (MS) subtype marked by significant cognitive deficits with minimal motor impairment, a form of disability the authors state is currently unrecognized and untreated.

An ultrasound device that can precisely stimulate areas deep in the brain without surgery has been developed by researchers from UCL and the University of Oxford, opening up new possibilities for neurological research and treatment of disorders such as Parkinson's disease.

Amid growing concerns about how children and teens engage with AI chatbots, including a tragic suicide reportedly linked to a teen's use of ChatGPT, OpenAI announced plans to roll out parental controls later in September. According to the company, these tools will allow parents to set usage limits and get notifications if the chatbot detects "acute distress."

Eighty-nine percent of female rugby players who took part in a new study experience pain or discomfort from the boots they're wearing.

The goal of professional sports has always been to win. Looking good while doing it? That's just a bonus for the gawkers and connoisseurs of bodily form in motion.

People who live in the most deprived areas of the UK experience post-traumatic stress disorder at three times the rate of those who live in more affluent areas.

Women have gotten the message: Breast milk is best for babies. The vast majority begin breastfeeding their infants at birth. So why do most quit earlier than planned?