I have recently watched a documentary about human cannibalism. It is actually practiced in New Guinea and parts of the Solomon Islands. 
Really?  I thought that cannibalism had ceased long ago.  That is very interesting.
Yeah, I honestly find it a lttle disturbing that people would practice cannibalism, which is the practice of eating the flesh or internal organs of another human being  
Are there no laws in these areas that prevent this from happening?  It seems very 3rd world.
cannibalism anywhere in the world, at any time in history. Dismissing claims of cultural cannibalism made against the Carib and Aztec peoples by invading Spanish colonialists, he tackles 19th and 20th century claims regarding socially acceptable cannibalism in Sub-Saharan Africa and New Guinea. Turning to prehistory, he critiques archaeological claims to have discovered evidence for such practices in Europe and North America. In the second half of the work, Arens puts forward his argument that an erroneous belief in "others" who commit socially sanctioned cannibalism is a global phenomenon
discredited theory of humorism for cannibalism was that it came about within a black acrimonious humor, which, being lodged in the linings of the ventricle, produced the voracity for human flesh.
Medical aspects.
A well-known case of mortuary cannibalism is that of the Fore tribe in New Guinea, which resulted in the spread of the prion disease kuru. Although the Fore's mortuary cannibalism was well documented, the practice had ceased before the cause of the disease was recognized. However, some scholars argue that although post