Study | featured news

Researchers say the small but significant increases in the risk of leukemia and brain cancer do not mean that CT scans should be avoided entirely, but that the test should be performed only when necessary.

Erin Carroll planned to breast-feed both her newborn sons. But like many women with the best intentions, it didn't work out. A new government study finds only a third of new moms achieve their goal of exclusively breast-feeding for three months.

Doctors have successfully dropped the first "smart bomb" on breast cancer, using a drug to deliver a toxic payload to tumor cells while leaving healthy ones alone.

Ever since the Supreme Court’s Citizens United decision in 2010 struck down restrictions on the ability of corporations to spend money in political campaigns, Democrats have been warning their followers that a tidal wave of conservative cash threatened to swamp liberal candidates.

The more outgoing and optimistic you are, the longer you may live, a new study suggests.

A study being released today shows the United States may be on top when it comes to acquiring wealth, but it doesn't measure up as well when it comes to happiness and life span, MSNBC is reporting.

If the numbers in a preliminary federal study hold true, U.S. highway deaths continued to plunge last year to the lowest level since the government began keeping records in 1921.

All federal government organizations are potentially at risk for workplace violence, not just those in high-crime areas or dealing with violent members of the public, according to an agency studying the issue.

Azithromycin may be risky for adults with heart problems, a new study finds, by possibly causing abnormal, potentially fatal, heart rhythms.

The ability of individuals to achieve the American dream depends on where they live, according to the first state-by-state look at the opportunity to move up the economic ladder. People who live in Maryland, New Jersey, New York, Connecticut, Massachusetts, Pennsylvania, Michigan and Utah are more likely to improve their economic standing after their prime working years than the typical American, a study by the Pew Charitable Trusts finds.