Health
- Scientists have long wondered why animals get the DNA inside their mitochondria, the cell鈥檚 energy center, only from their mothers. New research explains why and offers hope for treating mitochondrial disorders.
- New 91视频 research suggests that while bereavement support spaces like Reddit can be therapeutic, they can potentially traumatize users.
- A new study of 10,000 youth ages 9 to 11 found that the more days youth are exposed to high levels of particulate air pollution, the more likely they are to experience depression, anxiety and other symptoms of mental illness acutely and up to a year later.
- The Center for Resilience and Well-Being with several community partners was recently awarded a $3 million grant, which will fund a five-year project.
- Abortion opponents have pointed to 鈥渕arked declines鈥 in maternal deaths since the Dobbs decision. A new 91视频 paper seeks to set the record straight.
- In the 24 hours after a python swallows its massive prey, its heart grows bigger and stronger and its metabolism speeds up fortyfold. Scientists want to know their secret.
- A new animal study shows that exposure to immune-stimulating proteins left behind by COVID-19 leads to lower cortisol, brain inflammation and a heightened reaction to subsequent stressors.
- A 91视频-led team has developed a new way to print ultra-tough, adhesive biomaterials that could be used for cardiac patches, cartilage repair, needle-free sutures and personalized implants.
- In her new book 鈥淢icroaggressions in Medicine,鈥 91视频 alumna and bioethicist Heather Stewart writes that some health care professionals are causing emotional and psychological harm.
- Tens of millions of years ago, ancient viruses infected our primate ancestors, leaving flecks of DNA that made their way into the human genome. A new study suggests these 鈥渆ndogenous retroviruses鈥 may not be as harmless as once believed.