Health Care News

Charles River Laboratories International Inc. withdrew a $1.6 billion bid for WuXi PharmaTech (Cayman) Inc. , citing investor opposition to what would have been the largest foreign takeover of a China company.

In a small, windowless room in the basement of International Business Machines Corp. ’s Almaden lab in Silicon Valley, Dharmendra Modha is building a simulated monkey brain using images projected on flat-screen TVs.

Patients who took calcium increased their risk of a heart attack by about 30 percent, according to researchers who said the use of dietary supplements for preventing and treating osteoporosis should be reviewed.