Great thinking feels hard for a reason. Mental fatigue signals growth—and there are ways to train your brain to think sharper, deeper, and stronger over time.

Deep brain stimulation has been around for a few decades, but the technology has recently advanced in leaps and bounds.

ANSWER: Just as foods that are lower in fat and salt and higher in fiber and antioxidants can keep your heart healthy, there are foods that will boost your brain health.

It comes down to "functional connectivity" as per the findings by the Proceedings of the National Academy of Sciences. The ...