President Barack Obama is pushing a new anti-fraud plan and his top health official is challenging the nation's insurers as the administration cranks up the pressure for a sweeping overhaul of the nation's medical system.

U.S. Health Secretary Kathleen Sebelius ratcheted up the pressure on health insurance companies on Wednesday, urging them to forgo short-term profits and stop fighting President Barack Obama's health reform plans.

Dr. Aradhana Sarin is leaving UBS to join Citigroup ’s global health care investment banking team in New York, according to an internal memo obtained by DealBook. Ms. Sarin will be a managing director in the group, reporting to Bill Clark, Michael Hill and Chris Hite.

Aside from a moral obligation, improving the health of people in other nations is smart foreign policy, former President Clinton said Wednesday.

Barack Obama's top health official made a tough moral case to insurance giants Wednesday: put people and patriotism before profits and drop opposition to the president's overhaul plans.

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

Spanish aid worker Alicia Gamez, who was freed Wednesday four months after being kidnapped by Al-Qaeda in Mauritania, is in good health and has been reunited with her family, the government said.

Health and Human Services Secretary Kathleen Sebelius said insurers should drop their opposition to health overhaul and instead help fix a broken system, marked by spiraling costs and a lack of consumer choice.