This system helps cells adapt when energy levels dip, regulating growth, stress responses and even DNA repair. A file photo of creamer being poured into coffee. Michelle Lee Photography/Getty Images ...

A compound found in nearly every energy drink may also be feeding aggressive blood cancers. Researchers discovered that leukemia cells absorb taurine to grow faster — and extra taurine only made ...

Two small clinical trials revive hope for an old idea: Cells injected into the brain might replace the nerve cells that die in Parkinson’s disease. The studies, published April 16 in Nature ...