The average person's IQ declines with age. The only thing that has been shown to prevent this is cardiovascular exercise. This involves more pain as one ages, and things wear out, and testosterone declines, so people are less and less likely to stay in shape. Not *every* coder declines with age, but that's the way you bet, if you're management.

After 40 years in IT, I know the answer to this one: MSU. Gets you back quickly to the real work, and they'll never know the difference (or, probably, care).