Word: selectivity
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...separate reports, both appearing in the Journal of the American Medical Association, researchers found that men who took vitamins C or E or selenium developed prostate cancer as frequently as men who did not take the vitamins. In one trial, called SELECT, which tested the preventive effects of vitamin E and selenium in more than 35,000 men, participants taking 400 IU of vitamin E daily or 200 micrograms of selenium each day, or a combination of the two, had the same rates of prostate cancer as the placebo group. In the second study, involving more than 14,000 physicians...
...what explains the discrepancies between the results of SELECT and previous studies? For one thing, says Dr. William Nelson, director of the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, the participants of the Finnish study were cigarette smokers, and may have suffered more oxidative damage in their cells than the average person. If smoking had caused excessive damage to their cells, then they would be more likely to benefit from any antioxidant effects provided by the vitamin supplements. In other words, perhaps people with lower levels of the vitamin in their blood to start - whether...
...SELECT study did not take into account participants' baseline levels of vitamin E, but researchers say they are likely to reanalyze the data in the future to determine whether a subgroup of people with low levels of the vitamin received any benefit from supplements...
...Harvard.When it began in 1959, the program only allowed students to apply by invitation. Although it has moved away from these exclusive origins, some of the dilemmas the Freshman Seminar Program faces today echo its early challenges. Now on the eve of its 50th anniversary, the issues of selection and enrollment that were apparent in the program’s initial yearlong pilot run still persist.GROWING PAINSThe Freshman Seminar Program was introduced in the 1959-1960 academic year to provide first-years with the experience of small-group instruction by Harvard faculty members.Traditionally, the program offered 30 seminars each year...
...circulating at the Department of Defense that TIME has obtained. The proposals - under discussion but not formally adopted - could be included in the Pentagon's official "Manual for Military Commissions," a handbook of rules for the controversial proceedings. (The former officer overseeing that project reports to Hartmann, who helped select...