Formerly conjoined twins Ahmed and Mohamed Ibrahim of Egypt returned to Dallas this week for follow up diagnostic testing and to help celebrate the launch of a new Reconstructive Surgery Institute at Texas Hospital for Advanced Medicine. The twin boys, who were born joined at the top of their heads, were separated during a groundbreaking [...]

After enjoying a steady decline in health care cost trends over the past eight years, U.S. companies have seen average rate increases settle in around 6 percent to 7 percent, according to Hewitt Associates, a global human resources consulting and outsourcing company. In 2008, average health care costs increased 6.0 percent, up from 5.3 percent in 2007. Hewitt is projecting a 6.4 percent average increase for employers in 2009.

A single cell can repopulate damaged skeletal muscle in mice, say scientists at the Stanford University School of Medicine, who devised a way to track the cell’s fate in living animals. The research is the first to confirm that so-called satellite cells encircling muscle fibers harbor an elusive muscle stem cell.