3D-Printed Organs: Bioprinting uses living cells as “ink” to create functional human tissues and organs layer by layer. This could end transplant waiting lists and eliminate rejection risks with patient-specific organs. Researchers have printed skin, cartilage, and simple tissues; complex organs like hearts and livers are in development. Challenges include vascularization and long-term functionality. By 2035, simple implants may be routine. This technology merges biology and engineering, offering hope for millions with organ failure. It also raises ethical questions about enhancement and access, but could transform regenerative medicine and redefine human health and longevity.
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