Exercise stress test for heart.

The tendency of humans to quickly return to a relatively stable level of happiness (or sadness) despite major positive or negative events or life changes.

(lexicography) The process by which euphemisms fall into disuse and are replaced by new ones, as the old ones become socially unacceptable over time.

A penal treadmill (penal treadwheel or everlasting staircase) was a treadwheel or treadmill with steps set into two cast iron wheels.

one of the tools for predicting the risk of ischemia or infarction in the heart muscle.

An omnidirectional treadmill is a mechanical device, similar to a typical treadmill, that allows a person to perform locomotive motion in any direction, allowing for 360 degrees of movement.