<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
What is the worst fact you know?
<|assistant|>
One of the worst facts I know is that the average lifespan for humans has significantly decreased over the last 100 years due to increasing air and water pollution, the proliferation of nuclear weapons, and the spread of communicable diseases such as HIV/AIDS. We’re living longer, but not better.