An author who uses more informal diction knows he is writing for an audience of varied intelligence
As you enter your senior years, a lot of changes in your body may occur. These changes are inevitable. For some older adults, switching from your physician to a geriatric doctor maybe a great idea.Your geriatric doctors are here to assist you on journey towards treatment and recovery.
Minus is known as a dash and a plus is usually known as and
I don't know for sure but I think the second one is an intensive pronoun