Hands-Only CPR is an effective way for any bystander to double or triple a cardiac arrest victim's chance of survival. If someone immediately starts chest compressions, which mimic the heart's pumping action, blood keeps flowing to the person's brain.
The hospital because everyday and night they are helping people and trying to find cure's to bad illnesses.The hospitals also help cure patients with lung cancer and breast cancer. (Hope that helped! sorry if it didnt)