Trying to buy health insurance on your own and have gallstones? You'll automatically be denied coverage. Rheumatoid arthritis? Automatic denial. Severe acne? Probably denied. Do you take metformin, a popular drug for diabetes? Denied. Use the anti-clotting drug Plavix or Seroquel, prescribed for anti-psychotic or sleep problems? Forget about it.

This confidential information on some insurers' practices is available on the Web - if you know where to look.

What's more, you can discover that if you lie to an insurer about your medical history and drug use, you will be rejected because data-mining companies sell information to insurers about your health, including detailed usage of prescription drugs.

These issues are moving to the forefront as the Obama administration and Congress gear up for discussions about how to reform the health care system so that Americans won't be rejected for insurance.

It's especially timely because growing numbers are looking for individual health insurance after losing their jobs. On top of that, small businesses, which make up the bulk of South Florida's economy, are frequently finding health policies too expensive and are dropping coverage, sending even more people shopping for insurance.