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Ethicists are wary of an HHS proposal to loosen rules for “low-risk research”

Scientists have discovered a stem cell that appears to serve as a master source for tendon and ligament cells throughout the body. In lumbar spinal stenosis, these cells become unusually active and may drive the ligament overgrowth that squeezes spinal nerves and causes pain, numbness, and difficulty walking. Researchers found that reducing calcium signaling stopped this abnormal growth in mice.

Fingertips of Suriname toads are hypersensitive motion detectors, new study reveals

Scientists have discovered a new tick-borne virus in China that causes flu-like illness and may account for previously unexplained cases of fever, fatigue, digestive problems, and low platelet counts. Most patients with ALTNV alone recovered, but coinfections with another dangerous tick-borne virus were linked to more serious complications.

People with diabetes reported better quality of life after days when their glucose stayed largely within a healthy range, even when levels fluctuated more than usual. The unexpected finding suggests that pursuing extremely tight glucose control may sometimes come with a hidden lifestyle burden.