June 15, 2025

Health News

Top Health News — ScienceDaily Top stories featured on ScienceDaily’s Health & Medicine, Mind & Brain, and Living Well sections.

  • CRISPR-edited stem cells reveal hidden causes of autism
    on June 14, 2025 at 7:42 am

    A team at Kobe University has created a game-changing resource for autism research: 63 mouse embryonic stem cell lines, each carrying a genetic mutation strongly associated with the disorder. By pairing classic stem cell manipulation with precise CRISPR gene editing, they ve built a standardized platform that mirrors autism-linked genetic conditions in mice. These models not only replicate autism-related traits but also expose key dysfunctions, like the brain s inability to clean up faulty proteins.

  • Sugar shield restored: The breakthrough reversing brain aging and memory loss
    on June 13, 2025 at 5:39 am

    A protective sugar coating on brain blood vessels, once thought to be insignificant, turns out to play a vital role in preventing cognitive decline. Restoring this layer reversed damage and memory loss in aging brains, offering a fresh approach to treating neurodegenerative diseases.

  • Invisible ID: How a single breath could reveal your health—and your identity
    on June 13, 2025 at 5:39 am

    Scientists have discovered that your breathing pattern is as unique as a fingerprint and it may reveal more than just your identity. Using a 24-hour wearable device, researchers achieved nearly 97% accuracy in identifying people based solely on how they breathe through their nose. Even more intriguingly, these respiratory signatures correlated with traits like anxiety levels, sleep cycles, and body mass index. The findings suggest that breathing isn t just a passive process it might actively shape our mental and emotional well-being, opening up the possibility of using breath training for diagnosis and treatment.

  • Sleep-in science: How 2 extra weekend hours can calm teen anxiety
    on June 13, 2025 at 5:38 am

    Teens might finally have a good reason to sleep in on weekends within limits. A new study reveals that teenagers who get up to two extra hours of sleep on weekends show fewer anxiety symptoms than those who don t. But go beyond that sweet spot, and symptoms can actually increase.

  • Johns Hopkins blood test detects tumor dna three years early
    on June 13, 2025 at 5:38 am

    Researchers at Johns Hopkins found that fragments of tumor DNA can appear in the bloodstream up to three years before a cancer diagnosis, offering a potentially revolutionary window for early detection and treatment.

  • Running rewires your brain cells—igniting memory-saving genes against alzheimer’s
    on June 13, 2025 at 5:38 am

    Scientists have uncovered how exercise directly influences brain health in Alzheimer’s disease by pinpointing the exact brain cells affected. Using cutting-edge RNA sequencing and mouse models, researchers identified changes in specific cells like microglia and a novel type of astrocyte after exercise.

  • Guest molecules ride perfect waves in dna droplets—A breakthrough for synthetic biology
    on June 13, 2025 at 5:38 am

    Scientists have uncovered a previously unknown type of molecular motion inside DNA-based droplets: instead of spreading randomly, guest molecules advance in an organized wave. This surprising discovery opens the door to understanding how cells might organize internal processes without membranes. Using customizable DNA condensates as experimental models, the team showed how molecular waves emerge through precise DNA interactions. These insights could not only transform our grasp of cellular signaling but may even lay groundwork for treating neurodegenerative diseases by influencing how molecules behave inside aging cells.

  • Beyond Ozempic: New weight loss drug rivals surgery
    on June 12, 2025 at 12:13 pm

    Tufts University scientists are aiming to revolutionize the future of weight loss drugs by engineering a new compound that targets four gut hormones instead of the usual one to three. These next-gen tetra-functional peptides may overcome the limitations of current drugs like Ozempic and Mounjaro especially their nausea, muscle loss, and rebound weight gain.

  • Brain-computer interface restores real-time speech in als patient
    on June 12, 2025 at 12:13 pm

    A team at UC Davis has made a major leap in neurotechnology, enabling a man with ALS to speak again through a brain-computer interface that converts thoughts into speech in real time. Unlike prior systems that translated neural signals into text, this one synthesizes actual voice with tone, pacing, and even melody, creating a near-conversational experience. The device interprets neural signals via implants and advanced AI, making it possible for users to speak new words, ask questions, and express emotions vocally. Though still early-stage, this breakthrough offers real hope for those silenced by neurological conditions.

  • Scientists warn of bat virus just one mutation from infecting humans
    on June 12, 2025 at 12:13 pm

    Viruses closely related to the deadly MERS coronavirus are lurking in bats and one group, known as HKU5, may be just one mutation away from making the jump to humans. A new study reveals how these viruses bind to cell receptors and even shows signs of adapting to human-compatible versions of those receptors.