What You Need<br >Know About<br >to<br >ur<br >Immune System<br > Imagine a personal security system capal~lc~<br >of neutr:llizing most potential cl~me， ers 1)ef ()re<br >you tt~ even :lw:tre ()f their].<br > On duty all year， this sectlrity system em-<br >ploys a limitless pool of workers， and with min-<br >imal investment， it x~ill be in operation for a<br >IH etime.<br > 1)on t bother tt3qng to hire this elite security<br >service. It is already hard at york. This is :t fa(r<br >description of your body"s I~，mar~，elble imnlune<br >system.<br > Remarkal)le--I)ut not imt)ervi()t~s. The im-<br >mune system can I)e compromised by many<br >things--fl om an orctin:uy cold t() deadly c:ln-<br >cers. 7toat ~" the bole/J~ez~ ，~ .<br > The good news is that your immune def~ n-<br >ses rcgularly repair themselves， and there are<br >simple meast_lrcs }on <;~m t:ll-~e<br >when they have 1)ten 1)re:lched.<br > How it ~x.()rks...<br > I~asically， y~ur immume system is :l thriving<br >swarm of 1)illions of white bl~>od cells， nil with<br >just two gozlls...<br > ~ R~_ c(~gnize germ inva(ters.<br > ，，l，leSl)olld t()the thre:~t.<br > When bacteria enter your 1)ody~-for instance.<br >throuMh that razor nick 3ou got yesterday--<br >specialized cells callect nentrophils rush to the<br >scene t() virtually devour the marauders. (-)thor<br >cells s()()n c()me t)y to clean up any 1)acterial<br >fl-agments.<br > Against viruses--which are more inMdiotls<br >than I)acterial infections because they sne:d~<br >into our cells and CO1]]ll]:.ll]deCl the ill l()l their<br >own evil t)url)oses--your immtm~: systel~] dis-<br >p:llches antibodies to t;tckle the :ltt:lcking :tlicns.<br > More inlpoI t;mt， yonl" il]/llltlf]t svs[cl]] h;/s<br >mem(>ry cells that look at the vit+tl perpetrators<br >and remember those l)artict，lar villains for the<br >rest of your lif~ . When antil)~dies recognize<br >