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Prolonged use of injectable contraceptive tied to brain tumor diagnoses

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  • 2025-09-04 21:35 event
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Prolonged use of injectable contraceptive tied to brain tumor diagnoses
From Case Western Reserve University School of Medicine and Cleveland Clinic, investigators report that depot medroxyprogesterone acetate use was associated with a higher relative risk of meningioma brain tumor diagnosis in US women, with risk concentrated after more than four years of exposure or initiation at older than 31 years.

972. Dietary changes could provide a therapeutic avenue for brain cancer

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Glioblastomas are the deadliest form of malignant brain tumor, and most patients diagnosed with the disease live only one or two years. In these tumors, normal cells in the brain become aggressive, growing rapidly and invading the surrounding tissue. The resulting cancer cells are metabolically different from their neighboring healthy cells.

973. How the curves in your spine could be causing you pain

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Over 60% of us will suffer from lower back pain at some point in our lives. Without question, it's the leading cause of disability across the globe.

974. How RFK Jr.'s misguided science on mRNA vaccines is shaping policy—a vaccine expert examines the false claims

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On Sept. 4, 2025, Health and Human Services Secretary Robert F. Kennedy Jr. is scheduled to testify before the Senate Finance Committee, where he is expected to face questions about his vaccine policies.

975. The science behind a freediver's 29-minute breath hold world record

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Most of us can hold our breath for between 30 and 90 seconds.

976. Physical education is important for academic success—here's how it benefits kids' cognition

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There were 45,000 fewer hours of physical education (PE) delivered in UK schools during the last academic year compared to 15 years ago. This is concerning, given how important PE and physical activity are not only for children's physical health, but their cognitive health too. As the new school year begins, it's essential that PE hours in UK schools aren't further cut given its importance for academic success.

977. Acid-resistant artificial mucus improves gastric wound healing in animals

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Hydrogels—materials like gelatin that can absorb and hold water—can aid wound healing and enable slow-release drug delivery, but they usually break down in acidic environments like the stomach.

978. Scrolling on the toilet increases your risk of hemorrhoids, new study shows

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Many of us are guilty of scrolling our smartphones on the toilet. But a new study from the United States, published today, has found this habit may increase your risk of developing hemorrhoids by up to 46%.

979. Adrenaline receptor helps set daily rhythm for T cell infection response, study finds

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A newly discovered "timekeeper" for fighting infections dramatically shapes the body's immune defenses, offering insight as to why antiviral T cell response varies throughout the day, according to UT Southwestern Medical Center researchers.

980. Many pregnant women uncertain of marijuana risks even as use increases

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Many pregnant women are unsure if it's safe to use marijuana or products containing cannabidiol, an active compound in marijuana, even as they increasingly turn to them to combat morning sickness, anxiety or insomnia, a recent University of Florida Health study shows.

981. Prolonged use of injectable contraceptive tied to brain tumor diagnoses

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From Case Western Reserve University School of Medicine and Cleveland Clinic, investigators report that depot medroxyprogesterone acetate use was associated with a higher relative risk of meningioma brain tumor diagnosis in US women, with risk concentrated after more than four years of exposure or initiation at older than 31 years.

982. Marmosets and modeling provide new paradigm for understanding social cognition

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We consider humans to be at the apex of social cognition. But we're not the only animals that closely interact with each other. Marmosets, for example, are highly social creatures. In the wild, they choose to work together, sharing food and helping each other raise young.

983. Autumn increases substance abuse risk for young people, according to survey

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The start of the fall semester and college football season can also kick off rising substance use and the harms that come with it for many young people.

984. New study aims to improve surgery options for acid reflux

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A UK-wide research team, led by the University of Oxford's Nuffield Department of Surgical Sciences, has launched a major international study to improve surgical treatment for people suffering from gastroesophageal reflux disease (GERD), a chronic condition that affects around one in five adults in the UK.

985. Are weighted vests safe? Expert warns of hidden risks

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Fitness and lifestyle influencers are spotlighting a new trend among middle-aged women: weighted vests. While many advocate for their use as a quicker way to burn calories, build muscle and improve bone density, the science behind the workout fad says otherwise.

986. Survival in people with myeloma nearly doubled since 2005

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People diagnosed with multiple myeloma—one of the most common forms of blood cancer—are now living nearly twice as long on average as they were in 2005, according to a new study.

987. Study finds prenatal cannabis exposure delays reproductive development in female offspring

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Cannabis use by mothers during pregnancy and while nursing may disrupt and slow the reproductive development of their daughters and even granddaughters, a new Washington State University study suggests.

988. New data support minimalist approach for transcatheter aortic valve implantation

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A minimalist approach to transcatheter aortic valve implantation (TAVI), without sedation, was noninferior to the standard approach for the primary outcome at 30 days, according to late-breaking research presented in a Hot Line session today at ESC Congress 2025.

989. Molecule shows promise for MASH, endometriosis and other chronic diseases

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Macrophages are the first line of defense of the immune system, helping fight infections and keeping tissues healthy. But in the context of some chronic diseases, these immune cells undergo changes and become pathogenic, helping drive disease and create inflammation.

990. How to tell if you have a food allergy or intolerance

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If you've ever had an adverse reaction to something you've eaten or experience ongoing digestive issues, you may wonder if you have a food allergy, intolerance or sensitivity.

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