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Weight change may contribute to cognitive decline in older adults

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  • 2025-09-05 20:39 event
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Weight change may contribute to cognitive decline in older adults
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.

882. Over one billion people are living with mental health issues

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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.

883. Traditional Japanese samurai daily behavior improves leg strength, could be key to better mobility for seniors

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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.

884. Video game addiction in teens likely stems from preexisting mental health issues

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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?

885. Claims on baby food fail to stack up

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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.

886. COVID-19 boosters halted in Georgia amid federal uncertainty

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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.

887. Changes at NIH give political appointees greater power to fund or block research

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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.

888. What stiffening lung tissue reveals about the earliest stages of fibrosis

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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?

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

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The addition of the hormone progesterone to gender-affirming hormone therapy leads to increased breast growth for transgender people following feminizing hormone therapy. This is demonstrated by an Amsterdam UMC-led trial among 90 participants and these results were presented at the European Professional Association for Transgender Health (EPATH) annual congress in Hamburg.

890. Dizzying problem: Minnesota clinics treating more vertigo, imbalance

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

891. Weight change may contribute to cognitive decline in older adults

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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.

892. Online testing uncovers a common multiple sclerosis subtype with hidden cognitive deficits

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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.

893. Ultrasound helmet enables deep brain stimulation in people without surgery

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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.

894. Experts say parental controls are good, but AI still needs more oversight to protect youth

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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."

895. Inequality for female rugby players; 89% have discomfort from boots

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

896. Why the one-handed backhand is losing its grip on professional tennis

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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.

897. Social and economic deprivation associated with more severe symptoms of PTSD

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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.

898. The first weeks after birth are crucial to breastfeeding success

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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?

899. Tiny fish open new horizons for autism research

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Researchers from Brain Research Institute, Niigata University, Japan, have revealed that environment influences social behaviors in autism. By using zebrafish that have a mutation in ube3a, a gene linked to Angelman syndrome (AS) and autism spectrum disorders (ASD), they demonstrate that sensory processing of environmental information is determinant in the outcome of socializing or not.

900. Researchers uncover biological differences in asthma between males and females

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A new study led by researchers at the Yale Center for Asthma and Airways Disease and the Center for Pulmonary Precision Medicine (P2MED) in the Yale Section of Pulmonary, Critical Care and Sleep Medicine (Yale PCCSM) sheds light on how asthma behaves differently in males and females both in symptoms and at the level of gene expression. The results are published in the American Journal of Respiratory Cell and Molecular Biology.

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