Male eye span in stalk-eyed flies indicates genetic quality by meiotic drive suppression. Tick, tock, enzyme rewinds cellular clock Forcing cells to make an enzyme called telomerase apparently makes them practically immortal. Extension of life-span by introduction of telomerase into normal human cells. Ending the debate. Travis, J. 1998.
Gene pushes cells into forced retirement.
Missing enzyme incites cancer debate . Whereas diets rich in monounsaturated fats appear to offer protection against breast cancer, polyunsaturates may increase a woman's chance of developing the disease. Adipose tissue trans fatty acids and breast cancer in the European community multicenter study on antioxidants, myocardial infarction, and breast cancer. Wolk, A., et al. 1998. A prospective study of association of monounsaturated fat and other types of fat with risk of breast cancer.