1) Advancing technology like machine learning algorithms and artificial intelligence may replace many routine doctor functions by 2025 and make some doctors unemployed. 2) There is a global shortage of 4.3 million doctors and nurses currently. Additionally, over 1 billion people worldwide lack access to any medical facility, clinic, or doctor. 3) New technologies like 3D tissue printing may allow for printing of simple organs or patches for failing organs by 2025, but questions remain around who will pay for such advanced medical innovations.