Researchers at the University of Zurich found molecules in saliva that indicate acute sleep deprivation. They tested different sleep conditions in volunteers and plan a large field study to validate a rapid fatigue test.
Photo by Thimo Pedersen, Unsplash
Researchers found that a common eight-question depression test gives similar results for people with and without chronic pain. The study used a large 2019 US health survey and says clinicians can trust positive screens in patients with pain.
A clinical trial in people aged 65 and over found that extra protein from whey capsules did not increase muscle strength after 24 weeks. Researchers say resistance exercise remains the most reliable way to improve strength.
Airstrikes have damaged many Iranian universities, campuses and laboratories. UNESCO and scientists warn that online classes cannot replace lab training and that the attacks could harm research and students' future careers.
