Medical research

Wnt5a protein critical to gut lining repair

Scientists at Washington University School of Medicine in St. Louis have identified a protein essential to repairing the intestine's inner lining.

Sports medicine & Kinesiology

Doctor explains why—and how—runners should warm up

Many runners know that they should stretch, but that doesn't mean they do. And even if they take the time to loosen up their muscles, they may not be doing the right stretches—or performing them properly.

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