LONDON - A new theory proposes that mad cow disease may have come from feeding British cattle meal contaminated with human remains infected with a variation of the disease. The hypothesis, outlined this week in The Lancet medical journal, suggests the infected cattle feed came from the Indian subcontinent, where bodies sometimes are ceremonially thrown into the Ganges River. Indian experts not connected with the research pointed out weaknesses in the theory but agreed it should be investigated. The cause of the original case or cases of mad cow disease, or bovine spongiform encephalopathy, is unknown, but it belongs to...