By Swami Sivananda. Blood pressure is fast becoming something in the nature of a universal malady. This book will certainly provide very important and valuable knowledge on the subject. A valuable feature of this work is the psychological and spiritual hints we have included in it for the attainment of subtle, inner strength, sound and serene mind and a state of radiant vitality by the earnest seeker after health and well-being. 94 pages. Edition 2017.