Depending on where you are in Africa, the Middle East or Asia, laws and medical care are very different.

FORBES: Most Dangerous Destinations 2006

The top regional destination for medical tourists is Asia, with Singapore, Thailand and India leading the way.

CNN: The story

Hepatitis B is common in Asia, particularly in the sub-continent and China, and traditional Indian medical practice has long-standing methods for its treatment.

BBC: Rashmee Ahmed of the BBC's Asia and Pacific Region reports

Across the region, there is a growing suspicion that in the rush to cash in on Southeast Asia's health-care boom, some operators are less than scrupulous about maintaining medical standards.

CNN: HOSPITALS IN FLUX