American doctors are offering cosmetic surgery for people who want to sound as young as they look, with a so-called 'voice-lift'. Like the rest of the body, the vocal chords grow weaker with age as talking, shouting and singing take their toll. People can make their voices sound younger by exercise, but some require surgery to help the vocal chords to close. When the two vocal chords close together they produce sound. For about $17 500 (about R120 000), doctors will insert implants through an incision in the neck or inject fat, collagen or a bone-making substance called hydroxyl appetite...