Heavier people have stronger bones. Heavier bodies, though, can account for at most half of the effect, said Dr Steven R Cummings of the California Pacific Medical Center Research Institute.

Regardless of the hand position and regardless of how much you try to conceal your hand movement, the accelerometers, gyroscopes and magnetometers inside the wearable technologies can still figure out what PIN you are typing in.

Confusion sometimes arises over the misconception that the occasional insertion of leap seconds every few years indicates that the Earth should stop rotating within a few millennia.

Long-term neuropathy in the feet and toes can be especially problematic because it affects a person’s balance and gait.

There is an increasing tendency for people to eat out, involving more consumption of fast food.