Which parts of the body can we 3D print?

Agenda - Advancements in 3-D printing – a machine that can layer materials to create three-dimensional objects – have skyrocketed in recent years. But while many associate the technology with pointless, plastic trinkets, researchers and scientists have been hard at work tinkering with the technology to create revolutionary products – including printing parts of the human body.

Researchers from Texas Tech University were able to utilize 3-D printing to create "extremely tough hydrogel" that could be used to make load-bearing body parts such, as knee cartilage, and reduce the need for joint replacements with things like sports injuries.

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