Health and Science

In a bid to detect cancers early and in a noninvasive way, scientists at the Johns Hopkins Kimmel Cancer Center report they have developed a test that spots tiny amounts of cancer-specific DNA in blood and have used it to accurately identify more than half of 138 people with relatively early-stage colorectal, breast, lung and ovarian cancers. The test, the scientists say, is novel in that it can distinguish between DNA shed from tumors and other altered DNA that can be mistaken for cancer biomarkers. more »

  In the face of opposition by the power industry, Environmental Protection Agency chief Scott Pruitt is planning to scrap an Obama-era rule to curb discharges of lead, arsenic and mercury from power plants into sources of drinking water. The Environme… more »

Health and Human Services Secretary Tom Price and other top Trump appointees are outspoken opponents of federal funding for birth control, advocating abstinence rather than contraceptives to control teen pregnancies. Among the programs that lost their funding: the Choctaw Nation’s efforts to combat teen pregnancy in Oklahoma, Johns Hopkins’ work with adolescent Apaches in Arizona, the University of Texas’ guidance for youth in foster care, the Chicago Department of Public Health’s counseling and testing for sexually transmitted infections and the University of Southern California’s workshops for teaching parents how to talk to middle school kids about delaying sexual activity. more »

Jo Freeman writes: Unlike the other social sciences, psychology is thriving. While the supply of trained psychologists in the labor force has remained constant since 2005, the demand has grown. Quite a few employers purchased booths in the exhibit area just to advertising that they were hiring and interview potential recruits. They ranged from clinics in Hattiesburg, MS to New Zealand. more »