Whether you think it's cute, or it makes you squirm, baby talk is a compelling scientific phenomenon. All around the world, people use a special register when they speak to the very young. This infant-directed speech, or IDS, is recognizable for its higher pitch and more melodic, emotionally-charged tone.
Bilateral leg edema is swelling of the soft tissues of the legs. The condition can be merely a daily nuisance, or signal a serious underlying condition. A physician should be consulted to determine the cause and begin appropriate treatment.
A peg leg will get Joe Colonist walking after an unfortunate incident with a rhinoceros, but he'll still be quite slow. Buy an expensive bionic leg from a trader the next year, and Joe becomes a superhuman runner. You can even extract, sell, buy, and transplant internal organs. And there's much more than that!