So an apple is better than its juice, raw apple juice is better than cooked apple juice you buy in stores, cooked juice better than reconstituted and cooked juice and reconstituted apple juice better than some random sweet 'juice' that happens to taste like apples made in a laboratory made from bacterial excretions and so on.
Conditions associated with elevated BNP other than CHF are as follows: 1  Acute renal failure and chronic renal failure. 2  Hypertension (HTN) 3  Pulmonary diseases such as pulmonary hypertension, severe chronic obstructive pulmonary disease (COPD), pneumonia, pulmonary embolism, adult respiratory distress syndrome (ARDS)
For any number of reasons heart failure may trigger BNP release, and as such, the test (a simple blood test) is now standard for identifying or excluding the presence of heart failure, and it is also quite good at gauging the severity of heart failure as well.