thE mAin purposE oF thEsE rEsEArChErs is
A．to hElp to DEstroy olD CElls AnD Boost nEw onEs.
B．to AltEr thE nAturAl proCEss known As Apoptosis.
C．to CompArE DiFFErEnt lEvEls oF protEins.
D．to FinD out wAys to protECt Aging BrAin CElls.