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Running and other moderate exercise can protect against lifestyle disease. A new study shows training for a marathon slows cardiovascular aging. RichVintage/Getty Images hide caption
An Air Force team moves a transfer case containing the remains of one of the young sailors killed after a Saudi military student opened fire at Naval Air Station Pensacola last month. Officials are expected to soon announce that about 20 Saudi military students will be expelled from the U.S. Cliff Owen/AP hide caption
National Security
U.S. Officials: More Than 20 Saudi Students To Be Expelled In Wake Of Fla. Shooting
U.S. Officials: More Than 20 Saudi Students To Be Expelled In Wake Of Fla. Shooting
In Latest Iowa Poll, Sanders Leads Democratic Presidential Contenders
Trump Officials Lack United Response For Attack On Iranian General
In Sonoma County, Calif., officials are struggling to address a homeless encampment with roughly 200 residents. Eric Westervelt/NPR hide caption
Sprawling Homeless Camps — Modern 'Hoovervilles' — Vex California
Running and other moderate exercise can protect against lifestyle disease. A new study shows training for a marathon slows cardiovascular aging. RichVintage/Getty Images hide caption
Shots - Health News
Ready For Your First Marathon? Training Can Cut Years Off Your Cardiovascular Age
Ready For Your First Marathon? Training Can Cut Years Off Your Cardiovascular Age
Kratom products are legal in most states and are widely available. But the federal Food and Drug Administration and the Drug Enforcement Administration worry that kratom carries the risk of physical and psychological dependency and, in some people, addiction. Catie Dull/NPR hide caption