Selenium has been linked to a reduced risk of bladder cancer in some studies. Smoking, a well-established risk factor for bladder cancer, has been associated with lower selenium levels in the body. We investigated the selenium-bladder cancer association in subjects from Maine, New Hampshire, and Vermont in the New England Bladder Cancer Case-Control Study. At interview (2001-2005), participants provided information on a variety of factors, including a comprehensive smoking history, and submitted toenail samples, from which we measured selenium levels. We estimated odds ratios and 95

作者：Laura E, Beane Freeman；Margaret R, Karagas；Dalsu, Baris；Molly, Schwenn；Alison T, Johnson；Joanne S, Colt；Brian, Jackson；G M Monawar, Hosain；Kenneth P, Cantor；Debra T, Silverman

来源：American journal of epidemiology 2015 年 181卷 7期