book shop › Lifespan: Why We Age - and Why We Don't Have To by David A. Sinclair Lifespan: Why We Age - and Why We Don't Have To by David A. Sinclair $10.00 Vintage, 1990. Vintage, 1990. 8 x 5.19 x 0.89 inches. 512 pp. Add To Cart Added! Vintage, 1990. Vintage, 1990. 8 x 5.19 x 0.89 inches. 512 pp.