Here are a few possible reasons why we may fail to understand or implement simple facts and actions:
1. Complexity of human behavior and decision making. Even simple facts have to be processed through our complex brains and weighed against other priorities, desires, habits, etc. This complexity can obscure seemingly simple things.
2. Lack of awareness or education. We may simply not be aware of certain simple facts, especially those related to health and well-being. Education helps bring awareness.
3. Short-term thinking. It's human nature to prioritize immediate needs and gratification over long-term benefits. Simple preventative actions may not seem urgent enough.
4. Psychological and social influences. Peers, marketing