High-pitched voices exist thanks to vocal cords that aren’t as long, strong, or ready for good vibrations as others, Ingo Titze, executive director of the National Center for Voice and Speech, told Fatherly. Now, size isn’t everything.
Answer:
He hasn't hit puberty
Explanation:
When you hit puberty your voice gets deeper and things change
through calories and how much we have burned, you can also measure it through blood sugar levels.
The condition to this person probably applies as overweight, and needs to loose some.
