Age swapping between humans

Question

Yayati got a boon from Sukra that he can swap his old age with anyone

"Vaisampayana continued, 'Yayati, the son of Nahusha, thus cursed by the angry Usanas, was then divested of his youth and immediately overcome by decrepitude. And Yayati said, 'O son of Bhrigu, I have not yet been satiated with youth or with Devayani. Therefore, O Brahmana, be graceful unto me so that decrepitude might not touch me.' Sukra then answered, 'I never speak an untruth. Even now, O king, art thou attacked by decrepitude. But if thou likest, thou art competent to transfer this thy decrepitude to another.' Yayati said, 'O Brahmana, let it be commanded by thee that that son of mine who giveth me his youth shall enjoy my kingdom, and shall achieve both virtue and fame.' Sukra replied, 'O son of Nahusha, thinking of me thou mayst transfer this thy decrepitude to whomsoever thou likest. That son who shall give thee his youth shall become thy successor to the throne. He shall also have long life, wide fame, and numerous progeny!'"

[SECTION LXXXIII, Sambhava Parva, Adi parva, The Mahabharata]

Yayati uses the boon and transfers his old age to his son Puru and becomes young by recieving his sons age

"Yayati at last turned to his youngest child, Puru, and addressing him said, 'Thou art, O Puru, my youngest son! But thou shall be the first of all! Decrepitude, wrinkles, and whiteness of hair have come over me in consequence of the curse of Kavya called also Usanas. I have not yet however, been satiated with my youth. O Puru, take thou this my weakness and decrepitude! With thy youth I shall enjoy for some years the pleasures of life. And when a thousand years have passed away, I shall give back to thee thy youth and take back my own decrepitude.'

"Vaisampayana said, 'Thus addressed by the king, Puru answered with humility, 'I shall do, O monarch, as thou bidest me. I shall take, O king, thy weakness and decrepitude. Take thou my youth and enjoy as thou listest the pleasures of life. Covered with thy decrepitude and becoming old, I shall, as thou commandest, continue to live, giving thee my youth.' Yayati then said, 'O Puru, I have been gratified with thee. And being gratified, I tell thee that the people in thy kingdom shall have all their desires fulfilled.'

"And having said this, the great ascetic Yayati, then thinking of Kavya, transferred his decrepitude unto the body of the high-souled Puru.'"

[SECTION LXXXIV, Sambhava Parva, Adi parva, The Mahabharata]

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Are there any other historical stories in Hindu scriptures that involves the concept of age swapping between humans?

Answer 1

Your question is about age swapping or exchanging some of the age of one person to another in order to give him some years of life or to revive him from death .

Yes there is yet another intresting story of Saint Ruru and his bride Pramadvara in Mahabharata- Adi Parva- Pauloma Parva- Chapter 8-9. Saint Ruru swiped half of his life for his bride Pramadvara , when she was bitten by snake and became dead.

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Brief of the story - Once Menaka ,the celestial dancing-girl gave birth to a child from the King of the Gandharvas Viswavasu near the hermitage of Rishi Sthulakesha. Menaka abandoned this new born child on the shore of the river flowing nearby. Rishi Sthulakesha seeing the child ,filling with compassion took it to the hermitage and raised her. As she was more in beautifulness among the beautiful ladies of the world the Rishi named her "Pramadvara"

One day a saint called "Ruru" saw "Pramadvara" in the hermitage, he asked the hand of Pramadvara in marriage through his friends and father. Rishi Sthulakesha accepted and agreed to gave Pramadvara to Ruru in marriage. And fixed their marriage some time later on one auspacious day.

One day Pramadvara went into the woods with her lady companions for recreational purpose. In the woods at one place on the way a snake was laying in coil. But Pramadvara didn't saw the snake and did kept her foot on him while walking. Then snake did bitten her with his venomous teeth and she became dead by his venom.

Saint Ruru knowing his Bride dead became overwhelmed with grief and intense sorrow about loss of his bride. He went into woods and started weeping loudly. Then a a messenger from heaven came there and told Ruru that she was a gandharva child and her days were over , so she died. Ruru asked a way with which she could be alive again to that messenger and that messenger told Ruru that ,she will be alive again if he is willing to spare half of his life and gave it to her. Ruru agreed and the Pramadvara was revived again by the god Dharma.

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P. 51

देवदूत उवाच

आयुषोSर्ध प्रयच्छ त्वं कन्यायै भृगुनन्दन |
एवमुत्थास्यति रुरो तव भार्या प्रमद्वरा ||11||

"And Ruru replied, O messenger of heaven! What is that which the gods have ordained. Tell me in full so that (on hearing) I may comply with it. It behoveth thee to deliver me from grief!' And the celestial messenger said unto Ruru, 'Resign half of thy own life to thy bride, and then, O Ruru of the race of Bhrigu, thy Pramadvara shall rise from the ground

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रुरु उवाच
आयुषोSर्ध प्रयच्छामि कन्यायै खेचरोत्तम |
शृङ्गाररूपाभरणा समुत्तिष्ठतु मे प्रिया : ||12 ||

O best of celestial messengers, I most willingly offer a moiety of my own life in favour of my bride. Then let my beloved one rise up once more in her dress and lovable form.'

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"Sauti said, 'Then the king of Gandharvas (the father of Pramadvara) and the celestial messenger, both of excellent qualities, went to the god Dharma (the Judge of the dead) and addressed him, saying, 'If it be thy will, O Dharmaraja, let the amiable Pramadvara, the betrothed wife of Ruru, now lying dead, rise up with a moiety of Ruru's life.' And Dharmaraja answered, 'O messenger of the gods, if it be thy wish, let Pramadvara, the betrothed wife of Ruru, rise up endued with a moiety of Ruru's life.'

"Sauti continued, 'And when Dharmaraja had said so, that maiden of superior complexion, Pramadvara, endued with a moiety of Ruru's life, rose as from her slumber. This bestowal by Ruru of a moiety of his own span of life to resuscitate his bride afterwards led, as it would be seen, to a curtailment of Ruru's life.

So in this way saint Ruru gave half of his life to his bride Pramadvara when she was dead and swiped his life.