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Diet & Inflammation with Julianne Taylor (Feel Fresh Nutrition)

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Julianne Taylor is a Registered Nutritionist (NSNZ) and NZ Registered General & Obstetric Nurse. 

Julianne has a passion for nutrition as a tool to improve well being and health, reduce inflammation, and manage appetite.
Her passion for the power of nutrition was ignited when she experienced first-hand the difference diet makes; after a change in diet she had reductions in many niggling health issues related to auto-immune disease and inflammation. This inspired her to retrain as a nutritionist, so she could help others improve their own health through dietary changes.

To learn more about Julianne or to book a consult click here.


Nutrition and Inflammation

Have you ever wondered if your diet has an impact on inflammation? 
We now have substantial evidence that what we eat does indeed impact inflammation(1), which can show up as inflamed joints, fatigue and achy muscles. 

What is the inflammatory process? 
Inflammation is a normal defence response that is triggered by damage, either by injury, infection, or toxic compounds, and plays a crucial role in the healing process. Inflammation can be acute or chronic. In acute inflammation an infection or injury will trigger a fast onset of inflammation and once the threat is dealt with, inflammation reduces, and we heal up. Chronic inflammation is inflammation that persists indefinitely, like that in osteoarthritis or autoimmune disease. 

The inflammatory response consists of two phases
The first phase - onset
When tissue is damaged or infected, the damaged cells send out signals which bring white blood cells (leukocytes) to the area. These send out proinflammatory cytokines,  chemical messengers made from proteins, and inflammatory eicosanoids, signalling molecules made from fatty acids, which increase blood flow causing redness, swelling, heat and fluid leaking into tissues, they also stimulate nerves causing pain. White blood cells fight the infection by devouring bacteria and virus infected cells. The function of inflammation is to eliminate whatever is causing the damage, clear out damaged cells, and initiate tissue repair. 

The second phase - resolution
Once the stimulus causing the damage has been removed, for example the immune system cells have killed the germs causing infection, the inflammatory signals reduce, and inflammation begins to cease. The inflammatory response must be actively stopped to reduce unnecessary damage to tissues. The macrophages (a type of white blood cell) change from being in a pro-inflammatory state to an anti-inflammatory state. The immune cells exit the scene.  Anti-inflammatory cytokines and eicosanoids are produced and released which decrease inflammation, so healing and tissue remodelling process can take place(2). 

 Ideally, we need a short effective onset phase and then the strong anti-inflammatory resolution phase.

 Chronic inflammation occurs when the trigger for inflammation continues. Macrophages and pro-inflammatory chemicals continue to stay in an area and resolution does not occur. The tissue affected becomes thickened and scarred over time, for example chronic liver inflammation from fatty liver causes liver sclerosis. 
Common factors that promote chronic inflammation are:

  • Ongoing mechanical stress, such as repetitive stress injuries, or infection causing tissue damage
  • Persistent irritant; diet or environmental, such as smoking, allergens, polluted air, or industrial chemicals
  • An autoimmune disorder, like rheumatoid arthritis, where the immune system mistakenly attacks healthy tissue as though it were foreign
  • Chronic infection like a virus that stays in the body


What role does diet play?
Food and nutrients counteract inflammation and facilitate healing in two different ways:

  • Reduce chronic inflammation resulting from metabolic syndrome
  • Supply the nutrients required for a healthy immune response and then switch off inflammation and promote healing.


Reduce chronic systemic inflammation
Systemic inflammation is chronic inflammation that is generalised, inflammatory mediators are increased throughout the body at a low level all the time. This alters our ability to turn off inflammation properly and heal when we are injured.  
Systemic inflammation is associated with metabolic syndrome, which includes high blood pressure, abnormal lipids (cholesterol), insulin resistance, high blood glucose (pre-diabetes and type 2 diabetes), and obesity, especially internal abdominal fat (3),(4). Fat cells in obesity contain inflammatory immune cells that secrete inflammatory cytokines, chemicals that increase inflammation (5),(6). In diabetes or prediabetes blood glucose levels are higher than ideal all the time, and the glucose bonds to proteins in the body. This changes the protein’s structure and function. Inflammatory chemicals are increased as HbA1c (average blood glucose) levels increase (7). You might have seen this on a blood test if you have been tested for diabetes. Over time high blood glucose damages small blood vessels that supply organs like the eyes, kidneys, and nerves. High blood glucose also increases the damage in osteoarthritis (8).

Reducing body fat, and managing blood glucose will reduce chronic inflammation 

 Make some simple diet changes to lose weight, and manage your blood glucose

 Fat and carbohydrates are the macronutrients that when eaten in excess increase blood glucose and fat storage. This is exactly the combination of foods that has increased in the last 50 years of the obesity epidemic; highly refined starches and fats (9),(10). Think about all the snack food and easy meals we grab; muffins, cake, cereal bars, savoury snacks, bakery products, pasta with creamy sauces, donuts, deep fried foods, pizza, chocolate and ice-cream. Fat in these foods is often invisible, for example a donut can contain around 4 teaspoons of oil, a small packet of French fries 3 teaspoons of fat. 
A simple switch to unprocessed whole food carbohydrates primarily from colourful vegetables, fruit and fibre rich starches like root vegetables, true whole grains and legumes will fill you up, digest slowly, thereby controlling blood glucose, as well as increase the nutrients in your diet. 
Fat does not increase blood glucose, however in excess, it gets tucked away in our fat cells. Fat eaten in its whole food form like nuts, seeds, egg yolks, and avocado is preferable as it is nutrient-rich and less easily overeaten.
To reduce hunger, while cutting calories, protein is your friend. Protein increases satiety more than fat or carbohydrates, by sending chemical signals to your brain where appetite is regulated. Protein is difficult to turn into fat, as well it does not increase blood glucose. Eat a portion of protein at every meal, around a palm size; lean meat, poultry, fish, eggs, seafood, tofu, tempeh, or high protein yoghurts are good choices (11). 
Protein is also essential for the healing process as all the cells in our body, including those in your bones, joints and muscles are made from amino acids, the building blocks of protein (12). 

Nutrients that quell inflammation
The active process of switching off inflammation is done by anti-inflammatory mediators; cytokines and eicosanoids. Anti-inflammatory eicosanoids are made from the long chain omega 3 fatty acids EPA and DHA (13),(14). Long chain Omega 3 is found mainly in seafood, particularly oily fish like salmon, sardines, mackerel, and tuna. 
Australian studies show that 80% of us do not consume enough Omega 3 in our diet (15). To make sure we get adequate omega 3 we need to eat oily fish at least 3 times a week or take Omega 3 supplements. If you do not eat seafood or animal products, there are algae-based Omega 3 supplements available. Quality is paramount when choosing an omega 3 supplement, as many off the shelf in New Zealand have high levels of oxidation and are poor quality (16). For people with high levels of inflammation a daily high dose supplement is recommended (17), the upper limit is 3000mg of EPA plus DHA. 
You may be aware that some plants sources, like flax oil, contain omega 3, however this is in a short chain form and is not able to be used to make the anti-inflammatory mediators until our body converts it to the active long chain forms of EPA and DHA. Humans do not convert this well, which is why it is best to use EPA and DHA forms.  

Polyphenols and antioxidants
Polyphenols are found in abundance in plant foods, and a number have been studied for their anti-inflammatory properties. Polyphenols reduce proinflammatory mediators and oxidative stress, and slow joint damage in arthritis (18). Increase the polyphenols in your diet by eating a rainbow of plant foods, all the different colours are associated with different polyphenols. Specific foods to include are turmeric, garlic, green tea, olive oil, cocoa and berries (19). Aim for at least 6 fists or cups of colourful fruit and vegetables per day. 

All micronutrients (vitamins and minerals) are important for health, and we cannot build and repair our body’s tissues without the entire range of building blocks. Nutrient deficiencies impair a proper immune response to infection and slow our ability to heal. For example, magnesium deficiency (20) is associated with chronic inflammation, and deficiencies of vitamin K and D are associated with more severe osteoarthritis (21). A poor diet is associated with greater inflammation in rheumatoid arthritis, an autoimmune disease (22).  
New Zealander’s diets are often deficient, with 25% deficient in zinc, around 30% have insufficient vitamin D levels, and in those with darker skin, up to 60% have inadequate vitamin D. Over one third of males and half of females are deficient in selenium, and for vitamin A, 23% of males and 12% of females are deficient (23). 

A guideline to increasing nutrients in your diet
To get an entire spectrum of nutrients in your diet, ditch or decrease the highly processed foods and include: 

Protein rich foods, lean meats, poultry, eggs, and dairy, tofu, tempeh, a variety with seafood and shellfish at least 3 times a week. Aim for a palm size at each meal. Bone broth or collagen is rich in certain amino acids that may help rebuild cartilage (24). 
A rainbow of fibre rich plant foods – legumes, lentils, true whole grains, colourful fruit and vegetables, mushrooms, and seaweed. Aim for 6 fists or more of colour each day. Add plenty of herbs and spices, like ginger, garlic, and turmeric.   
Whole food fats; seeds, nuts, avocado, virgin olive oil, fish oil and egg yolks. Eat 1 -2 small handfuls of fat rich food each day depending on your calorie needs. 

Foods to ditch when fighting inflammation
Certain foods increase inflammation by either displacing nutrient dense foods or supplying the building blocks of pro-inflammatory mediators.  

As mentioned above – limit consumption of sugars and starches, you may need to be especially strict if you have prediabetes or diabetes. Think of removing white and beige foods – sugar, white grains, finely ground and processed flours, and foods made from these. 
Certain fats increase inflammation.  Seed oils are high in the polyunsaturated fat Omega 6, which is the building block of pro-inflammatory eicosanoids. The current western diet includes large amounts of omega 6 rich fat, as it is used widely in the food industry and in margarine. Seed oils high in omega 6 are safflower, sunflower and soybean oil. The imbalance of high omega 6 and low omega 3 tips our body towards inflammation. Using oils high in monounsaturated fats; olive oil, nuts and nut oils, avocado, and limiting processed foods will ensure you do not over consume omega 6 (25).
Fats used in deep frying vats, which are reheated many times, are especially damaging as they have high levels of oxidised and damaged fats, which increase inflammation (26). Avoid deep-fried foods in general.
Meats that are charred produce chemicals that are inflammatory, slow cooked or low heat cooking is preferable (27). 

For those suffering from high levels of inflammation, supplementation can be useful adjunct to diet, for example certain plant extracts like curcumin reduce inflammation (28), as do higher levels of micronutrients like magnesium 20.

If you would like guidance more specific to your situation, Julianne at Feel Freesh Nutrition would be happy to help. Click here to book!



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