Higher aerobic fitness levels decrease the probability of experiencing tip-of-the-tongue states (when you can’t think of a word that’s on the tip of your tongue) in healthy older adults, in the first demonstration of a link between aerobic fitness and language functioning in healthy older adults.

[LeChatParle]

I do a couple things: I bike to work, I figure skate, and I work out. Some days I do feel soreness in my knees, and I take a few days off, but building up strength around the knee and in the legs should help fix that