regenerative medicine

new tools and materials must be desighned

new treatments demand new materials

costs of research increases

cell harvesting methods

cell washing techniques

3D printers

nutrition and exercise of growing organs

improvements to existing scafolds

moral/legal questions

government health care

risks and potential for harm

demands legislation and regulation to insure safe and practical procedures and well as eithical research practices

demands of special interests groups

potential for curruption

increased life spans

ageing population

costly but effective treatments

devision between rich and poor measurable in lifespan

job competition

"fairness" of competitions ex: olypmics

new treatments and techniques are developed

new materials allow new treatments

costs of research increases

extra cellular matrix

"refab" organs

prinatable heart valves

lab grown organs

scafolds for cells to grow onto

stem cell research

gene-therapy

slippery possibilities

super longevity

transhumanism