Student essay written in en (native language: French, CEFR level: A2, field of study: Sciences humaines et sociales)

I choose to study Psychology because I want to help people suffering of mental disorders. This cause is important to me, my grand-fathers are depressed. Also I have many mental illness and I would like to understand me. 
During my childhood, I grew with many psychiatrists in my environment, and when I discussed with them of their work I was admiratived and fascinated of this speciality.