In addition to benefiting sleep cycles, the hormone melatonin has also been shown to reduce kidney cysts in fruit flies, which could apply to treating humans with polycystic kidney disease.

A novel ink may allow 3D-printing bones with living cells to repair damaged bones. The ink uses a technique that prints bone-like structures in a microgel matrix that harden within minutes.

Brain hyperactivity may be a predictor of Alzheimer's disease (AD) onset, as seen with abnormal activation on functional MRI scans in brain areas related to AD in people without dementia diagnoses.  

In a highly controlled study, people who ate a low-carb, animal-based diet had lower insulin and glucose levels than those eating a low-fat, plant-based diet, despite eating 550-700 more calories.