Genetics are the genes passed down from your parents. Down syndrome is a disorder a child get when chromosome 21 is effected and cause a developmental and intellectual. It affect their lungs and breathing they have a extra chromosome.
Enviorment is the natural part of the world. skin desease when your skin peals and hurt. Its caused by the sun rays. It affect your life cause people can pick on you it burn and hurt.Its treatable because you can get some cream but it wont go away.
Lifestyle mean the way a person live. type 2 diabetes is a condition where your body cant process sugar correctly. It is caused by poor diet. It effect people cause now they have to limit what they eat because of sugar. Its treatable but not curable but u can matan it by eating right and being heathy.