20 va shataabdapu e aavishkaranhalu human jeevitakaalampai athyadhika saanukuula prabhavanni chuupaayi ?
 poliyoo ,  kshaya mariyu bacterial in ‌ fectionlu vento prapanchavyaapthamgaa anek praanaantaka vyaadhulanu parimitam cheyadanki ledha tholaginchadaaniki kalipina teakaalu ledha antibiatic ‌ laku vyatirekamga vaadinchadam kastham .  merugaina laber mariyu delevarii padhathulu prasoothi mariyu sisu anaaroogya ratelanu gananeeyamgaa tagginchaayi .  surakshitamaina mariyu samruddhigaa aahaara sarafara golusulanu erpaatu cheyadamlo vidyut mariyu krutrima earuvulu kudaa keelaka patra pooshinchaayi .  anek itara udaaharanalu kudaa unnayi .