| premature aging | 1.45 | But it is showing signs of premature aging. | ||
| successful aging | 0.59 | Topics include successful aging and death and dying. | ||
| human aging | 0.53 | It is the most recognized universal trait in human aging. | ||
| global aging | 0.39 | Global aging could trigger a crisis that engulfs the world economy. | ||
| graceful aging | 0.39 | Graceful aging is becoming more important these days in Japan. | ||
| cellular aging | 0.26 | Fourth, it is not clear that telomere shortening is the fundamental cause of cellular aging. | ||
| normal aging | 0.26 | The gene, which was identified among families in Japan and Syria, may shed light on the process of normal aging. |