Source: US Census. The median household income in the US is $50,502. This is some extremely useful data given that it is exploring over 114 million US households. If you want to know how most Americans are living this is a good figure to base your assumptions.
The myth that you have to wait 30 minutes or even an hour until you can swim after eating has been conventional wisdom for some time. The simple fact is, however, that swimming on a full stomach does not significantly impact your ability to swim.
One more note: Timing is everything. Just as people shouldn't scarf down a huge meal and jump in the pool, runners shouldn't eat right before walking out the door. Long-distance runners typically eat three to four hours beforehand, giving the body time to digest the needed nutrients. Now let's look at a handful of foods necessary for a healthy runner. 1.