prevention is better than cure how can you develop precautionary measure
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Modern medicine is overwhelmingly reactive rather than proactive. Get sick, seek medical help. How expensive that model is! If everyone only got sick and then sought medical assistance, we could not afford the bill. It is much better that most people are healthy enough at any one time that they do not need medical care—for the people themselves, for the economy, and for the whole medical profession.
It is better to prevent disease rather than to try to find cures for diseases after they occur. The reasoning here is similar to why you change the oil in your car rather than wait to fix a blown engine. This is also why we try to vaccinate or inoculate against as many diseases as possible. It is at the level of prevention that most bioengineering efforts ought to be directed, because prevention is better than cure.