Executives are free to exercise vested stock options at almost any time during the option term.

FORBES: How To Salvage Stock Options

The results were consistent even among individuals who spent time every day exercising, meaning that exercise during other hours could not reverse the damage caused by extended inactivity.

FORBES: Four hours on your computer doubles risk of heart disease

The incident followed another on March 18 in which seven Marines were killed when a round detonated inside a motar tube during a training exercise at Hawthorne Army Depot in western Nevada, a military commander said at the time.

CNN: SHARE THIS

Though this recording is made up of tunes from the time of his military service during the second world war, it is no mere nostalgic exercise, but rather a solo recital of subtle pleasure, humour and quiet profundity.

ECONOMIST: Our pick of the best, including music by Abdullah Ibrahim

At the same time, women working for the NHS whose jobs might have been changed during a massive re-grading exercise called "Agenda for Change" might also be able to take action.

BBC: Female workers win in pay ruling

If you have no time for the gym during the week, that's OK: Recent research shows moderate to vigorous exercise even just once a week (say, a weekend jog) makes you 30 percent more likely to maintain your cognitive function as you age.

CNN: Helpful ways to boost your memory