What are the effects of AI on human lifespan?

AI can have both positive and negative effects on human lifespan. For example, AI can help with research and development when it comes to discovering new drugs. On the other hand, AI can have negative effect s well. Many people believe that AI is leading to loneliness, which is causing depression. This can negatively affect human lifespan. So, What are the effects of AI on human lifespan?