You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Temporal association of a disease is best established by and explain in detail?
Temporal relationship: Exposure must precede disease"A well-designed coho study is considered the most reliable means of showing an association between a suspected risk factor and subsequent disease"Park 23e pg:76