MinervaBMJ 1997; 315 doi: https://doi.org/10.1136/bmj.315.7104.378 (Published 09 August 1997) Cite this as: BMJ 1997;315:378
A momentum seems to be building up in research (British Journal of Nutrition 1997;78:1-3) into the effects of green and black tea on cardiovascular risk factors (and on the bowels). Minerva recalls reading dozens of papers on coffee made in various ways and cholesterol and suspects that a similar flood of tea papers will emerge in the next few years. No doubt we need to know the answers, but it may prove a laborious process.
For some years epidemiologists have been expecting mortality from breast cancer to decline in the United States because of advances in screening and treatment. At last this has happened (American Journal of Public Health 1997;87:775-81). Between 1989 and 1992 mortality fell by 1.6% a year—but only in white women. No change was seen in deaths from breast cancer in black women.
A new diagnostic entity, complicated grief disorder, has been suggested in the United States (American Journal of Psychiatry 1997;154:904-10). The criteria include the experience of intense intrusive thoughts more than a year after a death, pangs of severe emotion, feeling excessively alone, excessively avoiding tasks reminiscent of the deceased person, and maladaptive levels of loss of interest in personal activities.
About 1500 chimpanzees are living in colonies in …