Who said fruits and vegetables lower blood pressure...doctors?
These are the same doctors who also tell you to avoid salt with high blood pressure and to drink plenty of fluids. If their advice is so correct, why can't the body get a handle on high blood pressure without the use of mediations? Logic has it that until you developed high blood pressure, the body did just fine controlling it on its own.
So what changed?
Nothing really. You developed a bad lifestyle and after a while, the body couldn't take it any longer, so it started doing bad things.
The main lifestyle issues were not drinking water and avoiding salt - the very same things that your doctor said weren't important. "Fluids" are not the same as water and they don't function like water. This was your first mistake. The second mistake was not verifying the claim that salt causes high blood pressure when actually the opposite is true.
Doctors theorize that getting too much salt from processed foods retains too much water which creates too much pressure against the vessel walls.
You get salt from the same sources that you get such nutrients as potassium, calcium, and riboflavin to name just a few. When was the last time any doctor advised to avoid riboflavin because you get too much in processed foods?
What they choose to ignore is that the body was designed to take care of itself. The fact is, yes, you do get too much salt in processed foods - but the body only uses what it needs and discards the rest, just like it does with the potassium and riboflavin.
The only difference is, salt retains water and the body will hold onto what it needs. When you don't drink the water you should, then the body starts holding onto extra salt in an effort to retain as much water as it can to inject into dehydrated cells.
Thus, the medical theory of high blood pressure is wrong.
Fibrous foods like fruits and vegetables do retain water and this is why they're recommended for constipation - to lubricate the bowels. As to their effect on high blood pressure, yes they are effective - but not as a recommended way of lowering the blood pressure. This water is part of the same function described above when I explained how salt attracts water when you're dehydrated.
You need to physically drink water (not "fluids") and you should not avoid salt.
Properly replacing the water lost on a daily basis will lower the blood pressure. Keep in mind that whenever you lose water you lose salt as well - to manage your salt intake correctly. It has to maintain a balance with the water.