Fresh Science Trends

Your memories aren't dusty old files—they're living stories your brain rewrites every time you revisit them. Episodic memory retrieval involves the reactivation of the cognitive and neural processes which were active when the event was initially experienced. Credit: Neuroscience & Biobehavioral Reviews (2025). DOI: 10.1016/j.neubiorev.2025.106417 Why Memories Shift A groundbreaking University of East Anglia study uncovers how episodic memories, like that unforgettable birthday bash or family vacation, aren't static snapshots. Instead, they're dynamic networks of active details (easy to recall) and hidden traces that spring alive with the right trigger. Lead researcher Prof. Louis Renoult reveals these memories must trace back to real past events, but recall blends in imagination, general knowledge, or your current mood, making each version slightly different. The Brain's Rewriting Magic Deep in the hippocampus, memories form as dormant traces waiting for cues—li...

Author: Anneswa Das Olfactory dysfunction (OD) means reduced or decreased smell sensation. Also it is most recognized symptoms of COVID‐19. There's a term called "long COVID". In May 2020, Dr. Elisa Perego used the term "#LongCovid" on twitter to describe the symptoms that stayed with her even after she recovered from the main COVID-19 infection. Many other people who felt the same way started using the term too. It became common in online support groups before doctors and researchers began using it in medical studies. So in a simple way, Long COVID refers to a range of symptoms that continue for weeks, months, or even years after the initial COVID-19 infection has resolved. Recovery isn’t always recovery. Long COVID can steal the sense of smell, turning flowers into silence Photo by Alexander Grey on Unsplash Losing the sense of smell or taste has become one of the symptoms people most commonly associated with COVID-19. In the early days of the pandemic, nea...

The rise of weight-loss medications like Wegovy, Ozempic, and tirzepatide has completely changed the conversation around obesity . Once considered a problem of “willpower,” obesity is now recognized as a complex disease —and these drugs are giving patients new hope. But along with promise come serious challenges . The modern weight-loss journey: where science meets lifestyle — but no single pill or plate holds all the answers. Photo by Elena Leya on Unsplash 1. The Surge in Popularity Patient demand is exploding: In a 2023 survey of 346 healthcare professionals (Sermo), 89% saw more patients asking for weight-loss prescriptions. 92% of primary care physicians (PCPs) reported prescribing them. Prescription trends: Wegovy prescriptions in the U.S. jumped from 83,200 in January 2023 to 598,100 in May , before dipping when supplies ran short. Celebrity buzz: Public figures like Oprah Winfrey and Elon Musk have admitted using these medications, fueling curiosity a...