Every theory presented as a scientific concept is just that; it's a theory that tries to explain more about the world than previous theories have done. It is open to being challenged and to being proven incorrect.
Marvin HarrisYes, a general principle that comes out of research behind Good to Eat is that there are no world religions that have acted to decrease the potential for the nutritional well-being of their followers.
Marvin HarrisThere are very important and practical issues raised by following this alternative route which says, lets look to material conditions, to the systems of production, to the needs that human beings have, and to competing alternative solutions to the satisfaction of those needs.
Marvin Harris