Firstly, reading or thinking about food while exercising your brains out is not advised. (adashofcompassion.com)
Interactive toys allow these intelligent dogs to exercise their brains as well as their muscles. (thehappypuppysite.com)
Its storyline and enigmatic ending are actually quite easy to follow for anyone prepared — or able — to pay close attention and exercise their brain cells. (2020-movie-reviews.com)