Probably the best example of a good balance is the legendary Sushi chefs who use the blowfish as an ingredient to allow enough poison to achieve the desired eff

Probably the best example of a good balance is the legendary Sushi chefs who use the blowfish as an ingredient to allow enough poison to achieve the desired effect but not so much as to make the customer gravely ill. Another example might be what seems to be occurring with the opioid endemic.