Dear Doctor K: My son is 14, and his voice has started to change. Why does this happen? Dear Reader: Your son is going through puberty. A change in his voice is just one of several changes in this ...

Editor’s note: The podcast Chasing Life With Dr. Sanjay Gupta explores the medical science behind some of life’s mysteries big and small. You can listen to episodes here. (CNN) — Puberty: It’s one of ...

Have you ever listened to old recordings and noticed how your voice has changed over time? This happens because our voices are dynamic, changing in pitch and quality as we move through different ...

More girls are hitting puberty at eight or earlier. Researchers are exploring the causes, the consequences and what should be done. When Lola was eight years old, she went through a massive growth ...