Original sentence: A number of conspiracy theories, man-made origin theories and alternative origin theories exist surrounding the worldwide AIDS epidemic.Note that these theories have found little or no approval or consensus among the medical community.Others have theorized alternative natural or accidental origins for the disease.Some scientists and others have theorized that AIDS is a man-made disease.These theories generally state that the disease was meant to deliberately wipe out a certain segment of the population in an act of genocide and/or was created as biowarfare research
Edited sentence: A number of conspiracy theorists have suggested that AIDS is actually a man-made disease.Because the world-wide spread of AIDS has had such a tragic effect on millions of people world wide, a number of myths, urban legends, and conspiracy theories have arisen surrounding the disease.In fact, no research has been carried out regarding many of these claims.Note that these theories have found little or no approval among medical professionals.Some theories may be psychological mechanisms for people to cope with the epidemic, or perhaps in some cases, as a device to lay blame on someone for the epidemic.There have been conspiracy theories about earlier epidemics, such as blaming Jews or some monarchal orders for the Black Death.These theories often state that the disease was meant to deliberately wipe out a certain segment of the population in an act of genocide