【美联社华盛顿1979年12月13日电】科学家认为,膳食中的高脂肪含量虽与癌症增加有关,但尚未肯定。不过,应减少脂肪的摄入。在美国国立癌症研究所主办的会议上,科学家说,动物试验及对人癌症发病率的研究表明,脂肪与癌症特别是结肠癌、乳癌有关。费城克里切伍斯基(David Kritchevsky)医生说,就人类而言,脂肪与癌的关系究竟如何,尚有许多问题。克氏是这次会议的主席。他说,人们应认识到脂肪并不引起癌症,这一点是 [Associated Press, Washington, December 13, 1979] Scientists believe the high fat content in the diet, though linked to increased cancer, is yet to be confirmed. However, fat intake should be reduced. At a meeting hosted by the National Cancer Institute, scientists said animal experiments and studies on the incidence of human cancers show that fat is associated with cancers, particularly colon and breast cancer. David Kritchevsky, MD, of Philadelphia, said there are still many questions about the relationship between fat and cancer in humans. Kirsch is chairman of the conference. He said people should realize that fat does not cause cancer, and this is