Luke Clarke

Functional Medicine Practitioner and Naturopath in Melbourne

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February 25, 2020 by Luke Leave a Comment

What Causes the Mid-Afternoon Slump, and How to Deal With It

 What Causes the Mid-Afternoon Slump, and How to Deal With It

Does your motivation level come to a grinding halt when the clock strikes 3pm? Do you feel fatigued, sluggish and unable to concentrate on your work? If so, chances are you are experiencing the common ‘mid-afternoon slump’, where your energy levels clock out before you have permission to!

Whilst a slight dip in energy after lunchtime is normal, a major slump where you struggle to recover your focus, even with the help of some fresh air or a short break, may indicate a deeper issue with the way your body maintains its energy levels.

Let me explain…

Your body makes energy from the food you eat; the digestive system breaks down carbohydrates (found in foods such as vegetables and grains) to produce glucose, which is moved into your cells to create energy, or stored for later use. This process is controlled by the hormone, insulin, which is responsible for keeping a steady flow of glucose into your cells, and therefore an even flow of energy for your body’s needs.

This maintains your mental and physical momentum all day– keeping you feeling focused and active. However, in some instances, insulin is unable to effectively usher glucose into your cells – reducing your brain’s access to the fuel it needs to keep you switched on.

There are several reasons why this can occur, and many of these can be addressed naturally. To help you beat the slump, we’ve created a list of its top three causes and how to correct them, so you can get back to performing at your peak!

What Causes the Mid Afternoon Slump, and how to deal with it Metagenics Australia and New Zealand Blog

Running on empty without enough nutrients

Insulin’s ability to do its job relies on certain nutrients, however, it is common for many individuals to fall short of getting enough of these nutrients from their diet. This can occur for various reasons, including poor dietary habits and declining levels of nutrients in our food (due to farming, storage and transporting practices). On top of this, stressful events and certain medications can also deplete your nutrient levels by increasing the demand for particular nutrients, affecting their absorption from the gut, or by increasing clearance of these nutrients from the body.

Research has shown that low levels of vitamin D, magnesium, zinc and chromium can all impair how well your insulin ushers glucose into your cells, and this can limit the amount of glucose getting through to your brain, sending you into a slump.

If you think you might be lacking in some of these nutrients, seek the advice of a Practitioner who can identify nutritional deficiencies and help you manage them. In addition to reversing deficiencies, they may also prescribe natural ingredients such as alpha lipoic acid, which enhances your cells’ ability to access glucose, helping your body get the steady stream of glucose and energy it needs.

Going into overdrive with stress

Your natural stress response is a wonderful thing as it allows you to tap into an alert, high-functioning state, both mentally and physically, to allow you to cope with and adapt to stress. That said, the pace of modern life can often lead to constant activation of your stress response, which can cause problems with blood glucose and energy levels.

Stressful situations cause the body to release high levels of cortisol, a hormone that stimulates the body to overcome stressful events by causing helpful changes, such as the release of stored glucose so that your cells can access energy on demand. Once midday hits, cortisol naturally tapers down (in preparation for allowing you to fall asleep in the evening), taking its glucose-releasing effects with it.

Normally, this tapering effect causes a slight dip in energy, but under high levels of stress, elevated cortisol levels drop rapidly, causing the body to swing from releasing high amounts of glucose to low amounts. As there is still a lot of insulin circulating through the bloodstream, this rapidly clears the blood of glucose, suddenly leaving many cells high and dry without enough glucose to go around, resulting in a one-way ticket to slump-town!

Creating a healthy sleep routine, practicing regular meditation, daily exercise, and making time to do the things you love can all lower stress levels and help you overcome your mid-afternoon slump, discussed further in this blog.

What Causes the Mid Afternoon Slump, and how to deal with it Metagenics Australia and New Zealand Blog

Fueling yourself with a high sugar diet

A high sugar diet (rich in refined carbs, sweets and soft drinks) is another common reason for afternoon fatigue, as over time it can disrupt your body’s ability to control blood glucose. These foods contain large amounts of sugar that is quickly broken down to glucose, and then rapidly absorbed into the blood, causing your glucose levels to skyrocket. Even though insulin steps in to curb glucose levels, over time, consuming a high sugar diet results in your body becoming less sensitive to the effect of insulin (to avoid taking in more glucose). This effect is known as ‘insulin resistance’, and disrupts your cells’ ability to access glucose (and energy) when needed (e.g. in the afternoon when your energy levels naturally dip), causing fatigue.

The good news is that it only takes a few small changes to improve your diet and increase your energy. Firstly, eating a range of unprocessed wholefoods (i.e. foods that are closest to their natural form, such as vegetables, legumes, nuts, seeds, eggs and grains) can help maintain steady blood glucose levels. Rather than spiking your blood glucose quickly, these foods allow glucose to be steadily absorbed into the bloodstream over a few hours, due to their protein and fibre content, helping slow down the absorption of glucose. This reduces the risk of your body’s cells becoming saturated with glucose, lowering the risk of your body becoming insulin resistant. In addition, herbal medicines such as cinnamon and raw cocoa can also help to maintain steady blood glucose levels and reduce insulin resistance, allowing you to tap into energy and power through.

What Causes the Mid Afternoon Slump, and how to deal with it Metagenics Australia and New Zealand Blog

Beat the slump and get back on top

More often than not, finding solutions for the mid-afternoon slump starts with taking stock of personal health factors and habits that may contribute to your drop in energy. This includes reviewing the quality of your diet, sleep, levels of stress and other factors that can prevent your body from being able to maintain steady energy levels. Often, these factors can be numerous and complex, which is where a qualified natural healthcare Practitioner can help you identify the areas that need support, and tailor solutions that meet your body’s particular needs – making the mid-afternoon slump all but a memory in a refreshed and re-energised mind.

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February 25, 2020 by Luke Leave a Comment

Could chocolate be good for your gut?

Many of us enjoy a piece of chocolate (or 10) as a sweet treat after dinner or throughout the day. Of course, too much of anything is not a good thing, but could some chocolate be good for your gut?

Balanced diet
I’m not suggesting that you go out and eat nothing but chocolate, but there is a healthy way to enjoy chocolate which will help to fuel the beneficial bacteria in your gut. Stay with me, this isn’t a trick and is all about better choices when you crave a sweet treat!

Learning how to take care of your ‘gut bugs’ is an important part of taking care of your health. Our gut bugs play several important roles in our body and are essential for optimal health and wellbeing, so it is essential that they are fueled correctly.

Plant foods contain beneficial compounds called ‘polyphenols’ which are linked to many health benefits, including supporting heart health and preventing cancer and diabetes. In fact, more than 8,000 polyphenols have been found in everyday foods such as berries, vegetables, whole grains, cereal, legumes, tea, coffee and wine. Perhaps the most interesting thing to know about polyphenols is that they are found in cocoa – the main ingredient found in dark chocolate!

There have been several research studies looking at how cocoa may influence gut bacteria showing links between cocoa consumption and an increase in helpful bacteria and a decrease of potentially harmful bacteria in the gut. Other great things about cocoa-based foods is that they can assist in reducing blood pressure and have a positive impact on your blood sugar levels.

The right chocolate
Not all chocolate is created equal with natural cocoa containing the highest levels of polyphenols and antioxidant activities followed by dark chocolates and finally, milk chocolate. White chocolate was found to have no antioxidant activity. Manufacturing processes can destroy considerable amounts of polyphenols making it important to look for higher quality minimally processed cocoa-based products. For example, many recipes call for Dutch-processed cocoa when in fact this processing significantly reduces the polyphenols compared to natural cocoa powders.

Of note, Interestingly, it appears adding milk fat to cocoa can also reduce your body’s ability to use these beneficial polyphenols. So, move over milk chocolate, it’s time for good quality dark chocolate to feature! Here are some of the best ways to enjoy your chocolate and keep those gut bugs nice and happy:

• Choose 80 per cent cocoa chocolate. As a basic rule of thumb, the more cocoa solids a chocolate contains the more beneficial polyphenols and less added extras it contains.

• Avoid added ‘extra’ ingredients. Chocolate can be high in refined sugar and saturated fat content derived from the cocoa bean itself but try to choose lower fat and sugar options with minimally added milk fats, vegetables oils or sugars. This way, you can still enjoy chocolate (moderately) without worrying about your health or waistline!

• Get your cocoa from the health food section, not the baking aisle. When baking cakes and biscuits try replacing dutch-processed cocoa with natural cocoa powder.

• Dark chocolate covered nuts such as pecans, hazelnuts and peanuts could boost the benefits. These nuts contain the same polyphenols as cocoa, so may help to boost the intake of these health-promoting compounds. This also gives your chocolate the extra kick of flavour by adding your favourite nut variety!

• Another idea is to add cocoa powder to a wholesome smoothie packed with healthy ingredients such as rolled oats, banana, peanut butter and your preferred non-dairy milk. You’ll get a healthy dose of fibre, wholegrains, healthy fats and protein plus a nice chocolatey hit – perfect for that 3pm lull!

While some chocolate can be beneficial for health, consuming cocoa-based products still adds calories into your diet. The key with these swaps is to enjoy in moderation as part of a healthy balanced diet

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January 20, 2020 by Luke Leave a Comment

Gut-solutions for a healthier you.. Setting new habits

What new year’s resolutions could you make on behalf of your gut microbiome?

So, you enjoyed a few celebratory drinks, dove head-first into the Christmas trifle, and had an extra helping (or six) of assorted cheeses and chutneys from various party platters – you enjoyed your holidays and that’s OK. But let’s be real, your gut health is suffering and now you’re thinking it’s high time to press reset. You may be wondering, what’s the best way to get my health in check?

Forming new habits can be challenging. In fact, it can take between 18 to 254 days to change a habit! This explains why many of us are great at making new years resolutions, but have a hard time sticking to them. The fact of the matter is, the benefits far out way the challenges – and that’s where we need to focus. So here’s a few new habit-making tips that your gut bugs will love.

gut microbiome test

Try new plant foods

As creatures of habit it is really easy for us to gravitate to the same sorts of foods. This is because they are familiar, we know what they taste like, we know how to cook and prepare them or even that the family will eat them.

 

Research shows that the more diverse our diet in plant-based foods, the more diverse our gut microbiome is, making it more resilient to disruptions.

This makes sense, because if we eat the same sorts of foods, we nourish the same sorts of microbes. So, why not try something new that you would usually cruise past in the supermarket? Some gut-friendly foods you may not commonly consume are millet (grain), fennel (vegetable), white beans (legume), carombola or star fruit (fruit), linseeds and brazil nuts.

New habit tip: Park your trolley or stand in a section of the supermarket, green grocer or farmers market that you wouldn’t usually frequent. Take a look around, learn what foods are there and make a deal with yourself to give something new a go.

Move your body

Movement is good for us in so many ways. Not only does it help to improve our mood and keep us physically strong, but it also helps our gut health by increasing the diversity in our gut microbiome.

The Australian physical activity guidelines suggest any activity is better than none, but aiming to be active on most, if not all days of the week is preferable, with 150 – 300 minutes of moderate intensity activity, 75 – 150 minutes of vigorous intensity activity or a combination of both.

New habit tip: Arrange to meet a friend or two to go for a walk and make this a regular gig. For many of us, meeting people is a great motivation to get us out and about and moving our bodies.

Plan your meals

Meal planning is a task that most of us would like to do but somehow find ways not to.

Research shows that planning meals in advance is linked with higher intake of fruit and vegetables. As many fruit and vegetables contain nourishing prebiotics this is great news for your gut microbiome.

Another benefit of planning your meals is that you can structure the week ahead to reflect your eating style. If you’re looking for more ways to incorporate plants in your diet throughout the week, you could plan some meat-free meals or space out which meals include red meat, poultry or fish – making sure the majority of these are full of plants. This ensures that your gut is receiving the nourishment it needs all week long.

New habit tip: Before you decide that this is too hard or drive yourself crazy trying to plan every meal, start small. Plan one to two meals a week and build on this down the track. You’ll be surprised at how much a couple of planned meals can make a difference. Plus, not only will your gut bugs thank you, but you will save money by reducing your food wastage and ordering less take-out.

Summary

Don’t feel bad about indulging in the celebrations. Be patient and kind to yourself, because this is a lifestyle, not a quick fix. You have to remember that creating new and healthier habits can take some time to form.

If you’d love to learn more about what your gut is doing and how it can influence your health, I use a lab called Microba who can comprehensively assess every bacteria residing in your gut.

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January 20, 2020 by Luke Leave a Comment

9 Anti-Inflammatory Spices and Herbs

Like fruits and vegetables, many spices and herbs have been shown to have biologically active compounds that benefit human health. One major benefit is attributed to their ability to reduce inflammation. The inflammatory process is complex, but many health experts agree that chronic inflammation is a common denominator among many chronic diseases.


Cooking with Anti-Inflammatory Spices and Herbs

Since many spices and herbs have anti-inflammatory properties, the bioactive compounds found in plants are often included in dietary supplements and standardized to ensure an amount that has been researched to show benefit. Cooking with these same spices and herbs that are used as supplements, tinctures, teas, and oils can contribute to your overall intake of these healthful plants. There are probably some of these anti-inflammatory seasonings in your spice cabinet right now, but before you get cooking, we have outlined some information on this topic to help you learn more:

What are Spices?

A spice is a plant substance used for flavoring, coloring or preserving food. Turmeric is a spice that is commonly used in the condiment mustard and can play all of the roles just mentioned. Parts of the plant that are used as spices:

  • Seed
  • Fruit
  • Root
  • Bark

What is a Herb Versus a Spice?

Herbs are also plants, and like spices, they are also used for flavoring or as a garnish. Certain herbs such as rosemary are also used for preserving food because of their antioxidant properties. The terms ‘spices’ and ‘herbs’ are sometimes used interchangeably but are distinct botanically and in culinary use. Parts of the plant that are used as herbs:

  • Leaves
  • Flowers
  • Stem

What are Anti-Inflammatory Spices?

Anti-inflammatory spices contain active compounds that have been shown to reduce one or more markers of inflammation. Some markers and mediators of inflammation used in research and diagnosis include:

  • Tumor necrosis factor-alpha (TNF-α)
  • Nuclear factor kappa-B (NF-κB)
  • Interleukins
  • Eicosanoids
  • Cyclooxygenases (COX) and Lipoxygenases (LOX)
  • High-sensitivity C-reactive protein (CRP)

TNF-α, NF-κB and interleukins are cytokines (signaling proteins involved in triggering the inflammatory response). For example: fat tissue, especially the type of abdominal visceral fat seen in obesity, can secrete pro-inflammatory cytokines leading to systemic inflammation in people with obesity.

9 Spices with Anti-Inflammatory Properties:

  1. Sesame has been shown to have anti-inflammatory properties in preclinical and clinical studies.
  2. Turmeric (and its main bioactive constituent, curcumin) is a very popular anti-inflammatory spice with many studies demonstrating efficacy. Clinical and preclinical studies indicate that turmeric and curcuminoids like curcumin may help manage atherosclerosis, cardiovascular disease, hypertension, and more.
  3. Ginger was shown to reduce CRP and inflammatory cytokines in participants with diabetes and osteoarthritis.
  4. Saffron has demonstrated anti-inflammatory effects in preclinical studies. In participants with allergic asthma, saffron reduced CRP levels.
  5. Garlic has anti-inflammatory activity in preclinical and clinical studies. In a study of overweight and obese women with osteoarthritis, garlic improved pain and reduced the pro-inflammatory adipocytokine (a cytokine produced by fat cells) called resistin.
  6. Caraway has some data that it may be beneficial in inflammatory bowel conditions like colitis.
  7. Cardamom has several clinical and preclinical studies demonstrating anti-inflammatory effects. In obese participants with fatty liver disease, cardamom reduced levels of CRP and inflammatory cytokines. In overweight and obese pre-diabetic women, cardamom reduced CRP. Cardamom may exert its anti-inflammatory effects through inhibiting the NF-κB pathway.
  8. Nutmeg has some preclinical data indicating it may have potential as a pain reliever due to its inhibition of COX enzymes, a mechanism similar to some non-steroidal anti-inflammatory drugs.
  9. Paprika prevented an inflammatory response from UV damage to skin in people. Paprika also suppressed TNF-α and resistin in adipocytes (fat cells).

Cooking with spices and herbs is a great way to add flavor to your food and expand your palate beyond table salt. Different cultures often have a set of spices associated with the particular cuisine. In addition to isolated spices, you can find spice blends designed for seasoning specific types of cuisine or proteins in your grocery store, at your local farmers market, or even at dedicated spice stores.

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January 20, 2020 by Luke Leave a Comment

Did great grandma’s toxin exposure shape your immune system?

 Maternal toxin exposure harms the immune system of her children and those of future generations as well, a new study suggests.

The new paper, published in iScience, shows how a common and ubiquitous form of industrial pollution can weaken the body’s defenses against infections such as the influenza virus.

“The old adage ‘you are what you eat’ is a touchstone for many aspects of human health,” says Paige Lawrence, from the environmental medicine department at the University of Rochester Medical Center. “But in terms of the body’s ability to fight off infections, this study suggests that, to a certain extent, you may also be what your great-grandmother ate.”

While other studies have shown that environmental exposure to pollutants can have effects on the reproductive, respiratory, and nervous system function across multiple generations, the new research shows for the first time that exposure affects the immune system as well.

This multigenerational weakening of the immune system could help explain variations observed during seasonal and pandemic flu episodes, researchers say. Annual flu vaccines provide some people more protection than others, and during pandemic flu outbreaks some people get severely ill, while others are able to fight off the infection.

While age, virus mutations, and other factors can explain some of this variation, they don’t fully account for the diversity of responses to flu infection found in the general population.

“When you are infected or receive a flu vaccine, the immune system ramps up production of specific kinds of white blood cells in response,” Lawrence says.

“The larger the response, the larger the army of white blood cells, enhancing the ability of the body to successfully fight off an infection. Having a smaller size army—which we see across multiple generations of mice in this study—means that you’re at risk for not fighting the infection as effectively.”

In the study, researchers exposed pregnant mice to environmentally relevant levels of a chemical called dioxin, which, like polychlorinated biphenyls (PCBs), is a common by-product of industrial production and waste incineration, and is also found in some consumer products.

These chemicals find their way into the food system where they are eventually consumed by humans. Dioxins and PCBs bio-accumulate as they move up the food chain and are found in greater concentrations in animal-based food products.

The scientists observed the production and function of cytotoxic T cells—white blood cells that defend the body against foreign pathogens, such as viruses and bacteria, and seek out and destroy cells with mutations that could lead to cancer—was impaired when the mice were infected with influenza A virus.

They observed this weakened immune response not only in the offspring of the mice whose mothers where exposed to dioxin, but in the subsequent generations, including as far out as the rodent equivalent of great-grandchildren. The effect was more pronounced in female mice.

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