My blood pressure is higher than it should be? Sometimes even at dangerous levels, but.?

As with most diseases the exact causes of high blood pressure are not known. So the "Medical" profession makes "scientific" guesses.
Stress.
Currently Overweight, and Diabetes is being called out, as well as..
1. Deli Meat
2. Chinese Take-out
3. Frozen Pizza
4. Baked Goods
5. Canned Tomato Products
6. (Salted) Red Meat
7. Sauerkraut
8. Ramen Noodles
9. Alcohol
10. Bacon
11. Donuts
12. Frozen Pot Pies
13. Whole Milk
14. Canned Soup
15. Pickles

Get yourself a Home Kit for checking BP.

I eat all but three off the list. I nearly always feel fine, but the Corpsmen say I am sick and ready to die at any moment. Pharmaceuticals not withstanding.

You can have high blood pressure and not even know it. Sometimes there are no symptoms. The symptoms are silent, though. My mother had it and died from the complications of it: kidney disease and eventual renal failure. Don't dismiss high blood pressure, even if you do feel fine.

you better start taking apple cider vinegar capsules, it will help regulate blood pressure. the problem is, you have a traditional diet, you like it, and it's slowly killing you. you have two choices, you can just let it happen or you can take supplements to avoid it