| | PAGE | | I. | Introduction | 1 | | II. | Duration of Life | 9 | | III. | Onset of Old Age | 26 | | IV. | Factors influencing Longevity | 32 | | V. | Causes of Senescence, with a note on Senescence and Carcinoma | 62 | | VI. | Normal Structural Changes in Old Age | 90 | | VII. | The Physiology of Old Age | 115 | | VIII. | The Description of Old Age in the Twelfth Chapter of Ecclesiastes | 129 | | IX. | Distinction between Healthy and Morbid Old Age | 135 | | X. | Diseases in and of Old Age | 139 | | Index | 157 |
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