"Running averages only work if you assume your data is isn't changing over time, which is good for floods, but not lightning, " he said.

MSN: News flash: Lightning deaths continue to decline in US

Arriving just after breakfast, our first stop was at the Hunger Analyzer station, where DoCoMo reps were on hand with a Bluetooth accessory that measures acetone levels, sending results to an app that determines not only if it's time for you to eat, but also whether or not your body is in a good position to burn fat with exercise.

ENGADGET: NTT DoCoMo bad breath, body fat and food analyzers hands-on (video)

Becoming familiar with these is a good idea, but experts warn against looking only for injuries in these areas, especially if your child plays multiple sports.

CNN: Ways to help your children stay in the game injury-free