FOUR SENTENCES Can you explain my mistakes thanks for help
However, some people argue that life consists of more important things than health.
They are sure that a lot of money, fame and a successful career may provide a happy life even if you are sick.
I consider that health is the key to happy life.
the consuequences of any serious diseases can affect on your futire

Question

Answer

Two fixes:

"...the key to a happy life."
"...can affect your future." (You confused "affect" with another word. Also, check the spelling for consequence.)