List 3 possible costs (disadvantages) from this scenario: "Nanotechnology can provide alternatives to early detection of cancer cells, drug delivery, and injectable vaccines that to this day rely on...

List 3 possible costs (disadvantages) from this scenario:
"Nanotechnology can provide alternatives to early detection of cancer cells, drug delivery, and injectable vaccines that to this day rely on healthcare professionals to administer."

Note: COSTS are the setbacks, drawbacks, or negative effects/impacts resulting from the scenario.