Can someone please proofread my paragraph for me and correct any grammatical errors in them please?

Education also contributes to the prediction of health behaviours, without basic GCSE, you will not be able to understand complex words. Prevention awareness vs lack of awareness benefits complicated language. Cough cover mouth and more when sneeze. Educated people are more likely to have money and have treatment when ill can afford it more educated can put pressure on the doctor because they key the system works and to do a examination.