Psychology Research Paper and Powerpoint

The topics listed below have been approved by the professor.Good evening, I have made a list of some possible topics for my research paper/presentation and would like some feedback.
The elderly losing independence
Girls developing into women (the desire that teen girls have to become women, young women feeling that they are old or undesirable because of their age)
Middle age adults starting school, getting married, or having kids later in life.
Being diagnosed with a mental illness in late teen years or adulthood(the stigma and impact of how a mental health diagnosis changes one’s life circumstances)
The impact of extreme weight loss/gain in adulthood