The best-designed studies use police (another superhealthy worker group) as a control.

Down syndrome; acquired immune deficiency syndrome; restless-leg syndrome; battered-wife syndrome

Wilkinson was struggling, sending the re-start straight into touch and flinging a pass the same way, and France then went close to the first try of the contest as Clerc took a long pass out on the left and was just bundled into touch by the corner flag.

to gallop a horse