根据关键词生成一篇文章大纲。
关键词：“人工智能”、“医疗”、“未来”、“发展”
I. Introduction
    A. Explanation of the importance of artificial intelligence in the medical field.
    B. Brief description of the future developments in AI and healthcare.

II. Current state of AI in healthcare.
    A. Explanation of the current applications of AI in medical research.
    B. Discussion of the challenges and limitations of using AI in healthcare.

III. AI and the future of healthcare.
    A. Explanation of how AI could revolutionize the healthcare industry.
    B. Discussion of the potential benefits of AI in healthcare, including improved patient outcomes, increased efficiency, and reduced healthcare costs.

IV. Concerns and ethical considerations.
    A. Discussion of the potential negative consequences of relying too heavily on AI in healthcare.
    B. Explanation of how to balance AI's capabilities with the need for human expertise and empathy.

V. Conclusion
    A. Summary of the main points discussed in the article.
    B. Discussion of the impact that AI's development could have on the future of healthcare.