Time to Retire the BMI?

To retire or not to retire, that is the question!

Amerkan Association for the Advancement of Science Science serves its readers as a forum for the presentation and discussion of important issues related to the advancement of science, including the presentation of minority or conflicting points of view, rather than by publishing only material on which a consensus has been reached. Accordingly, all articles published in Science-including editori...

Time to Retire Beta-Blockers in Uncomplicated Hypertension?

Beta-blockers were one of the first modern medications used for the treatment of blood pressure. Before 1950, treatment options for hypertension were limited. The alphabet soup of medications -reserpine, pentaquine, hydralazine, and guanethidine -were notorious for inducing orthostasis, sedation, constipation, impotence, or blurry vision. Then in the 1960s, propranolol and chlorothiazide were d...

Is it time to retire high-concentration nitrous oxide?

DURING the past decade, anesthesiologists have increasingly recognized that the effects of anesthesia reach beyond the postanesthesia care unit. Researchers have extended their vision beyond studies of pain and postoperative nausea and vomiting in the postanesthesia care unit (still important outcomes) to studies of the impact of anesthesia on a broad range of postoperative outcomes, including ...

Time to retire--time to die? A prospective cohort study of the effects of early retirement on long-term survival.

In a long-term prospective cohort study we try to assess selective and protective impacts of early retirement on life expectancy. The results are based on the members of a compulsory German health insurance fund (Gmünder Ersatzkasse). We analyzed 88,399 men and 41,276 women who retired between the ages of 50 and 65 from January 1990 to December 2004. Our main outcome measures are hazard ratios ...

Is it time to retire the CTDI for CT quality assurance and dose optimization?