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With a vote of 68-32, the Senate approved a sweeping farm bill Tuesday that will set rules and practices for American agriculture. The bill does away with controversial direct cash payments made to farmers under a subsidy system, replacing it with crop insurance.

Boston physician Vivek Murthy, an outspoken supporter of the Affordable Care Act, told a Senate panel that as surgeon general he'll focus on obesity, smoking cessation and vaccinating kids.

Blood pressure is just not on the radar of most young adults. But even slightly elevated pressure before age 25 can lead to higher heart disease risk in middle age, a study finds. Young people can reduce their risk by exercising, eating right and avoiding smoking.

Iran, the U.S. and five other world powers will meet later this month in Vienna. But the quest for a long-term deal on Iran's nuclear program will have to overcome the deep mistrust that was on display at a security conference in Munich.

Detroit's Belle Isle Aquarium is getting a little help from its friends in Washington, D.C. The National Aquarium closed late last year after more than 100 years. Thousands of dollars' worth of equipment went to the Motor City, where its own century-old aquarium is beautiful and historic — but starved for resources. Budget shortfalls forced its closure in 2005. But a scrappy team of volunteers has worked to open it to the public on a limited basis, and they hope the fake coral, fiberglass tank props, and other equipment from D.C. will help it regain some of its luster.

After a presidential election where GOP nominee Mitt Romney won just 6 percent of the black vote, the Republican National Committee is asking African-Americans to give the party another look.

Patients who undergo colon screenings might breathe a little easier now that U.S. regulators have approved a pill containing two cameras. The PillCam Colon is minimally invasive and runs on batteries, its maker says.

Much of politics is about symbols and gestures. And there were plenty of them at the historic Howard Theatre in Washington, D.C., where the Republican National Committee marked Black History Month.

Apple, Microsoft, AT&T, Verizon, Sprint pledged $750 million in equipment and services. Obama said this is part of an initiative that seeks to connect almost all American students to high speed Internet within five years.

Heroin overdose deaths have increased significantly in the U.S. over the past five years. Experts point to aggressive prescribing of opioid drugs for pain about 15 years ago as a reason why. Heroin users often say their addiction began with exposure to painkillers like OxyContin.