premise: How to avoid high blood pressure<br>Incorporate vegetables, fruits, whole grains and low-fat dairy products into your daily diet. Certain nutrients have been found to help prevent high blood pressure: potassium, calcium, magnesium, and omega-3s. There is no need to take supplements of these nutrients if you have a well-balanced diet.
hypothesis: Omega-3 and certain other (not all) nutrients have been found to reduce blood pressure
reason: The text states that omega 3 has an effect on blood pressure