1. The nonagenarian inhabitants of the '.

2. If your grandfather were a nonagenarian, hoe old would he be?

3. The nonagenarian elderly, spends his days in the mountain and acquisition.

4. They include a nonagenarian war-hero, Vo Nguyen Giap, a dissident monk, Thich Quang Do, and a slew of leading scientists and environmental campaigners.

5. A study in the current issue of the journal Neurology examined 911 nonagenarian Americans and found that 45 percent of the women had dementia, compared with 25 percent of the men.