Want to Have Smart Kids? You Better Be Doing These Exercises.

Trail runner with trekking poles
Trail runner with trekking poles Aleksi Koskinen / Getty Images

If you plan to have kids, make sure to work on both your brains and your brawn—simultaneously.

Research from the German Center for Neurodegenerative Disease finds doing activities that are both mentally and physically stimulating triggers a genetic change in sperm, influencing the offspring’s capacity to learn. And the effects happen very fast—Andre Fischer, an expert in neurodegenerative diseases, suspects it takes as little as two months for the RNA changes to occur.

Sign up for activities that involve both brain power and physical output, such as dancing, running on trails, and even playing a musical instrument.