Your Brain on Traffic Fumes

Transportation and Health: "Congested cities are fast becoming test tubes for scientists studying the impact of traffic fumes on the brain," the Wall St. Journal declares. We're betting that impact is negative.

Infant Health: Scale back on the heartburn medicine for babies with severe reflux (spitting up), a new study suggests. Changes to mom's diet might help more, Allison Aubrey reports for NPR.

Health Reform: An appellate court judge hands another approval of the constitutionality of "Obamacare" to the administration as the U.S. Supreme Court prepares to take up the case, Brent Kendall reports for the Wall St. Journal.

Health Insurance: Public health insurance programs for the poor like Medicaid get higher customer ratings than some private insurance plans in a large new survey, Kirsten Stewart reports for the Salt Lake Tribune.