There is too much of a good thing. You may be dealing with too much dopamine, making it hard to enjoy life’s simple things. A ...

Mild brain stimulation helped adults with weaker brain connections improve math speed by 6 percent. Memory tasks didn’t ...

An interaction between two proteins points to a molecular basis for memory. But how do memories last when the molecules that ...

A groundbreaking brain imaging study shows why the gold-standard Parkinson’s drug doesn’t work for everyone—and how doctors ...