In the hippocampus, a critical brain region for learning and memory, new cells emerge in some people into late adulthood, according to a study published July 3 in the journal Science. The findings tip the scales in a still-active debate over how our brains continue to develop throughout life.

For more than six decades, neuroscientists have wrestled with a fundamental question about the human brain: Do adults continue to make new neurons, or are we born with all the brain cells we’ll ever have?

Infection with a common parasite can seriously disrupt the brain function of intermediate hosts – potentially including humans – new research has found.