While hundreds of Siddhars existed, Tamil tradition venerates 18 primary masters. Each contributed uniquely to medicine, alchemy, yoga, and philosophy:

The texts detail secrets of breath control ( Vasi Yoga ). Siddhars believed that regulating breath slows down biological aging. 3. Spiritual Alchemy

Reading Siddhar literature offers benefits on multiple levels:

Siddhars used herbs, minerals, and metals to cure chronic illnesses. Their texts provide precise formulas for leaf extracts, powders ( Chooranam ), and tablets. 2. Longevity and Vasi Yoga

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