Advances in organ and computer models are raising the prospect that some animal experiments could be eliminated. But there ...

Scientists studying data collected over more than three decades found accelerating losses. Their research offers clues about the causes.

Modern hip replacements are nearly twice as likely as older hip replacements to last at least 25 years, suggests a study ...

PITTSBURGH — In a Pittsburgh hospital in the early 1980s, Charles Rinaldo saw a young, previously healthy gay man critically ill with a virus usually only seen in weakened immune systems. Around the ...

Medical research is essential for advancing the understanding of health, diseases, and treatments. There are many types of studies that serve different purposes. Medical research, or health research, ...