Mechanical heart valves offer better long-term survival for patients aged 50-70

Patients aged between 50 to 70 years with a mechanical heart valve replacement had better long-term survival compared to those with a biological valve, new research led by the University of Bristol has found.

Marc Tessier-Lavigne steps down from Regeneron board

Marc Tessier-Lav­i­gne stepped down from Re­gen­eron’s board of di­rec­tors. The move comes af­ter he re­signed as Stan­ford Uni­ver­si­ty’s pres­i­dent fol­low­ing a sci­en­tif­ic mis­con­duct in­ves­ti­ga­tion. Re­gen­eron

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