Leptin is considered by many to be THE most important metabolic hormone as far as setting metabolic output and weight regain. If you want to keep your metabolic rate up, you have to make sure leptin levels don’t fall too fast. One way to overcome this appears to be a short period of overeating of between 1 and 3 days. This technique raises leptin levels and has also been shown to substantially raise a depressed metabolic rate. This effect varies substantially from person to person with some people showing no effect from the brief overfeeding and others seeing a jump in resting calorie burn of several hundred calories per day.
Your doctor may have handed you an info sheet on the foods you should be avoiding, but you might make more progress by adding certain foods to your diet. Focus on incorporating foods rich in soluble fiber, like oats and beans, into your meals. Insoluble fibers like whole grains can provide a "moving experience" by transporting foods through your gastrointestinal tract while keeping you feeling satisfied. Fill at least half your plate with veggies and fruits, and choose whole-grain carbs to make less room on your plate (and in your stomach) for less-beneficial choices.
A 2015 review of several studies found that restoring blood vitamin D levels by using supplements (more than 1,000 IU per day) reduced blood pressure in hypertensive individuals when they had existing vitamin D deficiency.[167] The results also demonstrated a correlation of chronically low vitamin D levels with a higher chance of becoming hypertensive. Supplementation with vitamin D over 18 months in normotensive individuals with vitamin D deficiency did not significantly affect blood pressure.[167]
Adapted from:  Chobanian AV, Bakris GL, Black HR, et al, and the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure; National Heart, Lung, and Blood Institute; National High Blood Pressure Education Program Coordinating Committee. Seventh report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure. Hypertension. Dec 2003;42(6):1206-52. [2]
Insulin — the hormone that allows your body to regulate sugar in the blood — is made in your pancreas. Essentially, insulin resistance is a state in which the body’s cells do not use insulin efficiently. As a result, it takes more insulin than normal to transport blood sugar (glucose) into cells, to be used immediately for fuel or stored for later use. A drop in efficiency in getting glucose to cells creates a problem for cell function; glucose is normally the body’s quickest and most readily available source of energy.
Endocrinology is the specialty of medicine that deals with hormone disturbances, and both endocrinologists and pediatric endocrinologists manage patients with diabetes. People with diabetes may also be treated by family medicine or internal medicine specialists. When complications arise, people with diabetes may be treated by other specialists, including neurologists, gastroenterologists, ophthalmologists, surgeons, cardiologists, or others.

Secondary hypertension can be caused by kidney disease; sleep apnea; coarctation of the aorta; disease of the blood vessels supplying the kidneys; various endocrine gland disorders; the use of oral contraceptives; smoking; alcohol intake of more than two drinks per day; chronic use of non-steroidal anti-inflammatory drugs (NSAIDs); and antidepressant use.
^ Mente, Andrew; O'Donnell, Martin; Rangarajan, Sumathy; Dagenais, Gilles; Lear, Scott; McQueen, Matthew; Diaz, Rafael; Avezum, Alvaro; Lopez-Jaramillo, Patricio; Lanas, Fernando; Li, Wei; Lu, Yin; Yi, Sun; Rensheng, Lei; Iqbal, Romaina; Mony, Prem; Yusuf, Rita; Yusoff, Khalid; Szuba, Andrzej; Oguz, Aytekin; Rosengren, Annika; Bahonar, Ahmad; Yusufali, Afzalhussein; Schutte, Aletta Elisabeth; Chifamba, Jephat; Mann, Johannes F E; Anand, Sonia S; Teo, Koon; Yusuf, S (July 2016). "Associations of urinary sodium excretion with cardiovascular events in individuals with and without hypertension: a pooled analysis of data from four studies". The Lancet. 388 (10043): 465–75. doi:10.1016/S0140-6736(16)30467-6. PMID 27216139.
This is true for two reasons. Not only are many fad diets low fat, but they are also low calorie. Your body is not stupid! It can see that you are not taking in enough energy to support your basal metabolic rate. Your basal metabolic rate is the number of calories that your body requires to run your heart, brain, liver, digestive system, lungs etc. This critical number is very responsive to the environment because back in the good old days food wasn’t widely available. If you weren’t able to find food for a few days then your whole system slowed down to require less calories and protect you from dying.
Although metabolic syndrome is a serious condition, you can reduce your risks significantly by reducing your weight; increasing your physical activity; eating a heart-healthy diet that's rich in whole grains, fruits, vegetables and fish; and working with your healthcare provider to monitor and manage blood glucose, blood cholesterol, and blood pressure.
When there is excess glucose present in the blood, as with type 2 diabetes, the kidneys react by flushing it out of the blood and into the urine. This results in more urine production and the need to urinate more frequently, as well as an increased risk of urinary tract infections (UTIs) in men and women. People with type 2 diabetes are twice as likely to get a UTI as people without the disease, and the risk is higher in women than in men.
The depth of this product really blew me away, as there are 138 pages of sample MRT workouts using all sorts of different equipment, or none at all. There are some great ideas in there for fitness professionals and fitness enthusiasts alike, and I'll certainly be implementing some of the techniques Jen describes in our programming at Cressey Performance.  It's on sale at a great introductory price this week, so be sure to check it out.
Medicines are available if these changes do not help control your blood pressure within 3 to 6 months. Diuretics help rid your body of water and sodium. ACE inhibitors block the enzyme that raises your blood pressure. Other types of medicines— beta blockers, calcium channel blockers, and other vasodilators—work in different ways, but their overall effect is to help relax and widen your blood vessels and reduce the pressure inside the vessel. [See also the free government publication “Medicines to Help You: High Blood Pressure” (PDF) from the US Food and Drug Administration.]
No special preparations are necessary to have your blood pressure checked. You might want to wear a short-sleeved shirt to your appointment so that the blood pressure cuff can fit around your arm properly. Avoid eating, drinking caffeinated beverages and smoking right before your test. Plan to use the toilet before having your blood pressure measured. https://www.clairekerslake.com/wp-content/uploads/2013/04/Renew_Without-Tagline_Final_300.jpg
I hate to burst anyone's bubble, but doing 5-10s intervals probably isn't going to do much for you – unless you're doing a ton of them, or using really short rest intervals.  Essentially, you have to get to the point where you shift over from the ATP-PC to the glycolitic (anaerobic) system.  This is a sweet spot where intensity of exercise is high while volume remains up – and that's how you create the "metabolic debt" that makes interval training so beneficial.
Furthermore, of those with high blood pressure (BP), 78% were aware they were hypertensive, 68% were being treated with antihypertensive agents, and only 64% of treated individuals had controlled hypertension. [1] In addition, previous data from NHANES estimated that 52.6% (NHANES 2009-2010) to 55.8% (NHANES 1999-2000) of adults aged 20 years and older have prehypertension, defined as an untreated SBP of 120-139 mm Hg or untreated DBP of 80-89 mmHg. [1] (See Epidemiology.)

In most people with established essential hypertension, increased resistance to blood flow (total peripheral resistance) accounts for the high pressure while cardiac output remains normal.[52] There is evidence that some younger people with prehypertension or 'borderline hypertension' have high cardiac output, an elevated heart rate and normal peripheral resistance, termed hyperkinetic borderline hypertension.[53] These individuals develop the typical features of established essential hypertension in later life as their cardiac output falls and peripheral resistance rises with age.[53] Whether this pattern is typical of all people who ultimately develop hypertension is disputed.[54] The increased peripheral resistance in established hypertension is mainly attributable to structural narrowing of small arteries and arterioles,[55] although a reduction in the number or density of capillaries may also contribute.[56]

^ Brunner EJ, Hemingway H, Walker BR, Page M, Clarke P, Juneja M, Shipley MJ, Kumari M, Andrew R, Seckl JR, Papadopoulos A, Checkley S, Rumley A, Lowe GD, Stansfeld SA, Marmot MG (November 2002). "Adrenocortical, autonomic, and inflammatory causes of the metabolic syndrome: nested case-control study". Circulation. 106 (21): 2659–65. doi:10.1161/01.cir.0000038364.26310.bd. PMID 12438290.
If someone has already had a heart attack, their LDL ("bad") cholesterol should be reduced below 70mg/dl. A person who has diabetes has a heart attack risk equivalent to that of someone who has already one and so should be treated in the same way. If you have metabolic syndrome, a detailed discussion about lipid therapy is needed between you and your doctor, as each individual is unique.
Cortisol reactivity, an index of hypothalamic-pituitary-adrenal function, may be another mechanism by which psychosocial stress is associated with future hypertension. [20] In a prospective sub-study of the Whitehall II cohort, with 3 years follow-up of an occupational cohort in previously healthy patients, investigators reported 15.9% of the patient sample developed hypertension in response to laboratory-induced mental stressors and found an association between cortisol stress reactivity and incident hypertension. [20]