> Exercise will not produce cognitive function. Lack of exercise will contribute to its decline, but you have to use your brain to train your brain. People don'

> Exercise will not produce cognitive function. Lack of exercise will contribute to its decline, but you have to use your brain to train your brain. People don't exercise to get smarter. There are numerous studies that contradict your statement. Here's the first of many that came up for me in Google. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6684954/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6684954/ That's leaving aside the common sense observation of a healthy mind in a healthy body, which dates back at least to the Romans.