In rats who had strokes, brain damage was restored by reprogramming human skin cells to become nerve cells to be transplanted in the brain, which restored movement and feeling.

Rather than constantly using blood to check glucose, saliva is a non-invasive way to monitor diabetes; it's easy to collect and store, requires less handling than blood and is environmentally efficient.

In mice, a mutation on the gene KCND2 led to improved cognitive flexibility, which is the ability to adapt to different situations. The gene codes for a protein that controls neural signaling.

In a mouse study, a single stressful event led to long-lasting structural changes in the brain, specifically with astrocytes and neurons, causing impaired communication between cells.