Several are the subjects of motion to regret - which don't actually stop them but put down a marker if problems arise later.

BBC: Week ahead

The agency said if problems arise, it will consult with the exchanges whether they are so serious that the NMS rules should be suspended.

FORBES: Magazine Article

While being ill is not a goal on any of our lists, having the resources to treat medical problems if they arise should be.

FORBES: Don't Let Failing Health Crack Your Nest Egg

Dr Brekke suggests that even if women are determined to find their place at an academic institution, problems can arise if they decide to have children.

BBC: The subtle messages that put women off science

Problems can also arise if a woman is perceived as disobedient to her family.

WSJ: Indian Women on Trial: Sexism Pervades Legal System

It is the degree to which contracts are honored in Brazil and whether foreign investors can expect to have problems when disputes arise or if their contracts will be honored.

FORBES: American Superconductor Would Be Better Off In Brazil

Horses are often euthanized after serious leg injuries because circulation problems and deadly disease can arise if they are unable to distribute weight on all fours.

NPR: Barbaro Makes Progress After Leg Surgery

If the dollar suddenly plunged, similar problems could arise.

ECONOMIST: Why America's deficit is hard to turn around