As a voice pathologist, I do not recommend trying this at home. They are the same thing. However, over the past decade, we have learned a tremendous amount about the vocal mechanism. This has led to a greater understanding of the vocal fold anatomy and physiology involved in voice production. Otolaryngologists often work closely with speech-language pathologists and advocate a team approach to voice care.
Several changes can occur in the voice with the aging process.
This can be prevented or reversed with estrogen replacement therapy. Men's voices tend to get higher as they age, as their levels of testosterone drop. I am a 21-year old female. Yet my voice sounds like a little girl. I will be interviewing for jobs right after graduation.