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The finely-tuned act of forgetting: Dopamine may also play key role in memory loss

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  • 2025-09-25 23:15 event
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The finely-tuned act of forgetting: Dopamine may also play key role in memory loss
In a discovery that could reshape how we think about memory, researchers at Flinders University have found that forgetting is not just a glitch in the brain but is actually a finely-tuned process, and dopamine is the key.

23. Do multiple tattoos protect against skin cancer, as a recent study suggests?

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Could tattoos be the secret weapon in the fight against skin cancer? It might sound incredibly unlikely at first, but new research suggests there's more to tattoo ink than meets the eye, especially when it comes to melanoma risk.

24. After schools instituted universal free meals, fewer students had high blood pressure, study finds

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In the 10 years since the federal government established the Community Eligibility Provision (CEP), which enabled universal free meal programs for schools in low-income communities, studies have suggested the policy has wide-ranging benefits. Students in participating schools choose lunches with higher nutritional quality, are suspended less frequently and may perform better academically.

25. Late-night screen use, easy access to medications tied to teen suicide attempts, study finds

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There has been a notable rise in child and adolescent suicides in recent years, particularly in the United States. Suicide ranks as the second leading cause of death among children, adolescents, and young adults ages 15 to 24, according to the American Academy of Child and Adolescent Psychiatry.

26. Measles outbreak spreads in Arizona-Utah border communities

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One of the largest measles outbreaks in decades is spreading along the Arizona-Utah border, with dozens of confirmed cases among unvaccinated children.

27. Gene signature could predict response to key breast cancer treatment

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CDK4/6 inhibitors, combined with hormone therapy, are now the standard treatment for an advanced type of breast cancer; specifically, the one that is characterized by the expression of hormone receptors (HR+) and HER2 negative (HER2-). This treatment works by blocking the proteins CDK4 and CDK6, which are responsible for controlling cell division and growth.

28. Adding molecular breast imaging to digital breast tomosynthesis beneficial for dense breasts

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For women with dense breasts, the addition of molecular breast imaging (MBI) as a supplement to digital breast tomosynthesis (DBT) increases overall and invasive cancer detection, according to a study published online Sept. 23 in Radiology.

29. Nutritional quality of college dining options varies by location, time of day

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Putting on the "freshman 15" is a well-worn joke around college campuses—and there's scientific data to back up this phenomenon.

30. Integrated method boosts accuracy of blood near-infrared spectroscopy quantitative analysis

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A research team from the Anhui Institute of Optics and Fine Mechanics (AIOFM), the Hefei Institutes of Physical Science of the Chinese Academy of Sciences (CAS), in collaboration with the Hefei Cancer Hospital of CAS, has developed a new method to accurately measure hemoglobin levels in blood using near-infrared spectroscopy (NIRS).

31. Healthy habits can make your brain age more slowly, study finds

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Your chronological age may say 65, but your brain could be acting a decade younger—or older—depending on your life experiences.

32. The finely-tuned act of forgetting: Dopamine may also play key role in memory loss

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In a discovery that could reshape how we think about memory, researchers at Flinders University have found that forgetting is not just a glitch in the brain but is actually a finely-tuned process, and dopamine is the key.

33. Childbirth linked to increased depression and psychosis but lower suicide risk in mothers

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Depression and psychosis are more common in women after childbirth than before, but the risk of suicide attempts decreases. This is shown by two new studies from Karolinska Institutet. The results suggest that national guidelines for screening can help women get help earlier.

34. The robotic breakthrough that could help stroke survivors reclaim their stride

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Crossing a room shouldn't feel like a marathon. But for many stroke survivors, even the smallest number of steps carries enormous weight. Each movement becomes a reminder of lost coordination, muscle weakness, and physical vulnerability.

35. Robotic exoskeleton uses AI to ease walking for stroke survivors

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Crossing a room shouldn't feel like a marathon. But for many stroke survivors, even the smallest number of steps carries enormous weight. Each movement becomes a reminder of lost coordination, muscle weakness, and physical vulnerability.

36. Babies can get hepatitis B at birth. Here's why Trump is wrong about delaying the vaccine

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United States President Donald Trump this week claimed children should not be vaccinated against hepatitis B until they are 12 years old, rather than at birth. He also said the viral liver infection was a sexually transmitted disease.

37. Paracetamol use during pregnancy not linked to autism, our study of 2.5 million children shows

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United States President Donald Trump recently claimed that using the common painkiller acetaminophen (also known as paracetamol and by the brand name Tylenol in the US) during pregnancy is fueling the rise in autism diagnoses. He then went on to suggest pregnant women should "tough it out" rather than use the common painkiller if they experience fever or pain.

38. Study links early life epigenetic memory to adult brain inflammation

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Why do some people remain healthy through childhood yet become more vulnerable to brain disorders such as dementia later in life? A KAIST-led team has uncovered a key part of the answer: a developmental "switch" in astrocytes—the brain's most abundant support cells that shapes how strongly the brain's immune system reacts in adulthood.

39. How lymphatic endothelial cells help the body remember infections

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A study published in Nature Communications describes how lymphatic endothelial cells assist in generating robust immune memory, offering new insights into how the immune system functions.

40. Exclusive colostrum intake linked with reduced peanut allergy risk

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New research has found that newborns exclusively fed colostrum, the breastmilk produced in the first 72 hours following birth, were five times less likely to develop a peanut allergy by 12–18 months, and 11 times less likely to develop multiple food allergies, such as egg or cow's milk, compared with infants who also received formula during that period.

41. Parents eager to protect newborns against RSV, despite hesitancy toward COVID-19 and flu immunizations

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When a new immunization to protect newborns from respiratory syncytial virus (RSV) became available in late 2023, pediatricians at Temple University Hospital noted an unusually strong early interest from parents.

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