I refer to the letter Unnecessary tests for heart problems .

It is true that lately, a lot of health care firms have come in to the market offering diagnostic services using the latest state-of-the-art equipment.

Prevention is, no doubt, better than cure. If a patient takes an entire package, ie, Dexa bone densitometry, x-rays,and a CT scan, how much radiation are they going to be exposed to?

Is there any study done on this? Is there any justification in getting young people exposed to so much radiation?

It is time the Malaysian Medical Council acts to regulate the preventive health care industry in Malaysia.