Muscular dystrophy and multiple sclerosis can affect mobility, breathing, speaking, and muscle control. But they have distinct causes, affect different parts of the body, and have other differences.

Doctors of osteopathic medicine (DO) and doctors of medicine (MD) are two types of accredited doctor that can practice medical care in the United States. Both DOs and MDs require rigorous study in the ...

The MD-11, successor to the popular McDonnell Douglas DC-10 jet, had its first flight in January 1990, and this tri-jet promised a better future for the company, with the goal of leaving the DC-10's ...

The Federal Aviation Administration has ordered all McDonnell Douglas MD-11 aircraft grounded pending further inspection, following UPS and FedEx each deciding to ground the planes that make up part ...

Boeing, the plane’s manufacturer, said it had recommended the grounding as a precaution while it conducts further analysis. By Francesca Regalado and Qasim Nauman UPS and FedEx, two of the world’s ...