The punishment had especially taken a mental toll on Robert, who has yet to win a single challenge himself.

It takes a mental toll, and once you're in that cycle it's the death zone.

The side effect of this adrenalin fueled process is the physical and mental toll it takes on his body.

"After last year's Open, I just never stopped running, and it took a mental toll," he explained.

One important aspect of caregiving is the physical and mental toll it takes on the caregiver.

The discomfort in October took a mental toll on the pitcher.

And computers can greatly enhance lives diminished by the physical and mental toll of age.

But the mental toll caused by the earthquake remained.

Sustaining vision took both a mental and physical toll from him.

Her rejection of her mother begins taking a physical and mental toll on Annie.