Even a six-inch string could be potentially harmful to a baby in a crib, where pull toys sometimes wind up.

FORBES: The Most Dangerous Toys

In summary, when possible, conflicts should be avoided and only the least potentially harmful conflicts should be tolerated.

FORBES: Compelling Pension Consultant Disclosure (June 1, 2002 )

The region may not be far away from a potentially harmful bout of tax competition, which would no doubt attract the ire of more established EU members such as Germany and France.

ECONOMIST: Will more of eastern Europe adopt flat-rate tax regimes?

In 2010 during the H1N1 flu epidemic, the FDA warned consumers about a potentially harmful counterfeit anti-flu drug that could be a killer in two respects: It lacked any of the flu-preventing medicine it purported to be while it did contain an antibiotic similar to penicillin that can be lethal to certain people.

FORBES: Fake Drugs - All At a Pharmacy Near You!

Others claimed it could be positively dangerous, especially when it was fertilised with sewage containing potentially harmful organisms.

BBC: Organic food 'proven' healthier

Recent research, however, shows that too many of these tests on a healthy population can be potentially misleading and result in more expensive, unnecessary and even potentially harmful tests.

FORBES: Six Inexpensive Health Screenings That Could Save Your Employees' Lives -- And Your Business Some Money