The studies do not prove exercise relieves depression, in part because the exercisers worked out in a group, so group dynamics may have played a role, Dr. Blumenthal said.
One To Watch Viva Ronaldo (Richard Fahey) provided a nightmare for the rider who forgot to remove his blindfold at Doncaster on Friday but, after what proved an exercise gallop rather than a race, will strip fit next time off a career-low mark.
Bringing up a child between two cultures has proved an exercise in balance and compromise: not always easy at 3am when you're both exhausted and he won't sleep and there are opposing cultural ways of dealing with it on top of the usual confusion.
From the outset the Surrey pacemen, particularly Matt Dunn, decided that he had to be peppered, which in itself proved an exercise in futility as the left-handed Shantry just stayed on leg-stump, swung vigorously and simply clobbered the ball from the meat of the bat.
The telecast, emceed by CBS' affable How I Met Your Mother star Neil Patrick Harris, proved an exercise in redundancy as little-watched 30 Rock and Mad Men once again walked away winners in the best comedy and drama categories.
But trying out an American setting as opposed to an Irish one is proving a challenging exercise.
Momentum can use the EU campaign as a demonstration exercise, proving its much-vaunted muscle by mobilising the Labour voters who will determine this referendum.
This is a matching exercise, proving pretty much nothing.
More important, though, the study is a useful reminder that exercise is a proven, inexpensive and non-pharmacological means of combating stress — even, as it turns out, the stress of feeling that you should be exercising.
This might prove a simple exercise, although occasionally (and often for historical reasons) it can prove a more complex and protracted process.
