In recent times, several articles in medical literature and the internet has thrown doubts on the validity of medical practice. The latest is the flash on the internet about the disconnect between dyslipidemia and heart disease, casting aspersions on the use of statins. A year ago, Time magazine did a volte face on the consumption of eggs which it said two decades ago was bad for the heart. The primacy of diuretics has vacillated  from being first line to second line drug to first line again in the treatment of hypertension. The lowering of the normal baseline of LDL from 140mg/dl  to 100mg/dl  or even less has clouded the validity of 'evidence'.

Immunization is now being challenged by ex-employees of vaccine companies who have turned whistle-blowers. . All in all, we may have entered into an era when confusion will prevail, and evidence itself will need more evidence. The truth about…