Luke Clarke

Functional Medicine Practitioner and Naturopath in Melbourne

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March 25, 2015 by Luke Leave a Comment

Four common foods that can help you avoid breast cancer

Prevent-Breast-Cancer-With-These-Four-Foods

Billions of dollars are spent on cancer research each year in the United States. In 2012, more than US$600 million was spent on research for breast cancer, which is more than double the money spent on lung cancer research.

Treatment, diagnosis and genetics takes up the majority of funding in breast cancer research. Treatment involves some of the latest and most costly research, including stem cell therapies, nanotechnology, antibodies, drugs and chemotherapy.

What is given very little attention and research funding, comparatively, is prevention. For many, this would seem counter-intuitive. It seems very logical, that the best use of research investment should go to prevention. After all, while treatments may be sometimes effective, patients still have to live with the disease and undergo invasive and sickening treatment regimes.

Luckily, there is some research being completed on prevention. And you won’t have to go far to find the source of some of the best preventative measures for breast cancer, they are at your local green grocer.

Garlic

Famed for its ability to ward off vampires and potential partners who don’t appreciate the strong scent, garlic, has far more to offer. Lipid and water-soluble, allyl sulfur compounds assist the body in banishing carcinogens and aid in the destruction of cancerous cells. Add to that the well-known boost garlic gives to the immune system and as a caner-inhibitor, garlic has the right mix.

“A French study of 345 women highlighted the role diet can play in combatting breast cancer. The conclusion showed that the increased consumption of garlic, and onions (of the same family) reduced the risk of breast cancer. Other research has shown that fresh garlic stopped the growth of the breast cancer cell MCF7.”

The more fresh garlic you can incorporate into your diet, the better. Use it in cooking, or, if you are game, try eating some cloves by themselves.

Broccoli

Cruciferous vegetables, most notably broccoli, but also Brussel sprouts, cauliflower, kale, collards, turnips, watercress, bok choy, and cabbage, are all packed with phytochemicals that can help to prevent cancer.

It is the large amounts of glucosinolates that are the main shield.  The glucosinolates break down in your stomach, also a sulfur carrying compound, the process turns them into cancer-combatting isothiocyanates. These function by eradicating carcinogens from the body and increasing tumor-suppressive proteins.

The Indole-3-carbinol (I3C) molecule is derived from glucosinolate. The IC3 particles combine in the stomach to form a number of different products. One of these is 3,3-diindolylmethane (DIM), which research shows stunts the growth of cancer cells in breasts due to the high levels of anti-proliferative action.

Once again, these vegetables are at their most beneficial when raw and fresh, so avoid cooking, if possible.

Turmeric (curcumin)

Turmeric is a spice of the ginger family, with a distinctive yellow colour coming from curcuminoids, of which curcumin is the most prevalent.

“Curcumin is already widely used as a powerful anti-inflammatory and antioxidant. The natural phenols have also been shown to enhance the prevention of oral, colorectal and some stomach cancers. Early research also shows that curcumin can impede the development of breast cancer cells.”

The breast cancer cell known as MCF7 was again targeted in research. The production of MCF7 was inhibited by doses of curcumin. A separate study has also demonstrated that curcumin can reduce tumor angiogenesis – the process of new blood vessels forming from existing vessels, which helps the tumor to grow.

Tumeric can be used in many dishes, added as a spice.

Tomatoes

One of the most versatile vegetables, used in sauces, juices and cocktails – eaten whole, fresh and cooked, tomatoes also comes packed with lycopene, a potent antioxidant.

The Lycopene carotenoid, responsible for a tomatoes’ red colour, have powerful attributes that helps it to fight cancer. The use of lycopene is already established in the prevention of prostate cancer, its role in preventing breast cancer is starting to come to the fore.

A synthesis work, which examined eight separate pieces of research studies, looked for correlations between carotenoids circulating in the blood steam and the risk of breast cancer. There was a substantial decrease in risk, especially in negative estrogen-receptor tumors, which usually has a poor prognosis.

The research involved 3,055 breast cancer patients and group of 3,956 controls. The women were divided into four groups based on the levels of carotenoids in their bloodstream. The results showed that the group of women with the highest levels had a risk of developing breast cancer that was 19 per cent lower than the women with the lower levels.

Of the different carotenoids used in the study, Lycopene looked to be the most effective, decreasing risk by 22 percent. Other carotenoids like lutein/zeaxanthin, alpha carotene and beta carrotine were also effective, only beta kryptoxanthin did not produce a discernable reduction in risk.

Lycopene is most readily absorbed by the body when tomatoes are cooked or processed, like in a sauce. Bringing all the four ingredient together, would make a cancer fighting super tomato-based sauce, with fresh garlic, onion, blanched broccoli and a touch of turmeric.

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February 6, 2015 by Luke Leave a Comment

Laughter Truly Is the Best Medicine

According to an Irish proverb, a good laugh and a long sleep are the best cures in the doctor’s book. Sure, the sleep part makes sense, but laughter?

Turns out, laughter actually can fight disease. (Yes—literally.) And as “medicine” goes, a good sense of humor is a whole lot stronger than most people could ever imagine.

Laughter and the Brain

Believe it or not, your sense of humor is some of the strongest psychological armor at your disposal. Scientists have known for years that genuine, joyous laughter can squelch stress and chase away depression. And given its measurable effect on key mood-regulating chemicals, this benefit makes perfect sense.

One small clinical trial showed that subjects who watched an hour-long humorous video showed marked decreases in levels of cortisol and epinephrine—two fight-or-flight hormones involved in the stress response—versus those who didn’t. More recent research has shown a similar effect on another stress marker called chromogranin A (CgA). And scientists also think that laughter may be able to help reverse depression by stimulating areas of the brain implicated in the development of depression.

But it’s not just your attitude that benefits from this positive influence. New research shows that your brain’s cognitive functions get a boost from laughter too.

As part of a recent randomized, controlled trial, researchers tested cortisol levels and short-term memory—including learning ability, delayed recall and visual recognition—in 20 older adults, half of whom watched a 20-minute humor video beforehand.

As in previous studies, results showed that the subjects who laughed experienced predictable drops in cortisol levels. But they also performed better on memory tests—by a significant margin. Delayed recall nearly doubled in this group, while learning ability shot up by more than 25 percent.

Laughter and Chronic Disease

Believe it or not, laughter’s mental benefits are just the tip of the iceberg. After all, there’s a reason chronic stress contributes to disease. Elevated cortisol levels erode your physical health too. And a good sense of humor goes just as far in this department.

First of all, it can dial back high blood pressure. Back in 2005, researchers from the University of Maryland found that watching funny movies helps the endothelium—that is, the lining of your blood vessels—to relax and widen.

This, in turn, allows circulation to move more freely—specifically boosting blood flow by a whopping 22 percent. Which means that 15 minutes of laughter a day seems to be as important as regular exercise when it comes to keeping your heart in shape.

In fact, this same team of researchers found that people with heart disease are also far less likely to find humor in uncomfortable situations—suggesting that the ability to “laugh it off” might actually be the most basic source of cardiovascular protection you have.

Blood sugar levels also get some help from a good giggle. According to a 2003 study published in Diabetes Care, hearty laughter can lower post-meal blood sugar levels in people with Type 2 diabetes.

And if all that wasn’t enough, research shows that humor packs a punch against pain as well. In a study published in 2011, researchers found that social laughter floods your body with feel-good endorphins. In a series of six experiments, researchers observed significant increases in pain threshold after laughter, independently of positive mood changes. In other words, the physical act of belly laughing alone can dull your discomfort—no drugs necessary.

Lengthen Life and Boost Immunity

Of course, laughter’s benefits aren’t restricted to chronic disease. Everyone can capitalize on a case of the giggles.

One seven-year study of more than 50,000 Norwegians showed that a good sense of humor drops the odds of dying before the age of 70 by roughly 20 percent. And yet another study of 33 Midwestern women revealed that subjects with a keener humor response also benefit from stronger immunity—particularly in natural killer (NK) cell activity.

This benefit has far-reaching implications, as NK cells are your first line of defense against cancer. To make matters worse, standard treatments ravage your immune system. But a recent Japanese study showed that chemotherapy patients who received “laughter therapy” had significantly higher levels of immunity than those who didn’t.

With results like that, it’s easy to see how a little extra laughter could actually mean the difference between life and death. Of course, laughter can make a big difference in everyday battles too.

Fend Off Fat Rolls and Infertility

If you’re trying to lose weight, a little more laughter could actually give you an edge—no grueling workouts required. As I mentioned earlier, laughter has a similar effect on your body to aerobic exercise. But those effects aren’t just cardiovascular—laughter also burns calories!

A 2007 study published in the International Journal of Obesity found that laughing out loud increases energy expenditure by as much as 20 percent, while 10 minutes of laughter could burn as many as 50 extra calories. That’s right—simply laughing for a few minutes every day could leave you five pounds lighter inside of a year.

But if you think that’s strange, consider this. A recent study found that women undergoing in-vitro fertilization (IVF) had a higher pregnancy rate when they enjoyed a performance by professional clowns after embryo implantation.

IVF was a success in 36 percent of these women, compared to a success rate of just 20 percent among women who weren’t treated to post-procedure comedy. And, ultimately, the women who laughed were almost twice as likely to become pregnant, once other factors like age and infertility factors entered into the equation.

The bottom line? Laugh loud and laugh long at least once every single day. Your life may very well depend on it!

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February 6, 2015 by Luke Leave a Comment

Did You Know?

  • All tea—black, green, oolong and white—comes from the same shrub, the Camellia sinensis. The differences occur after harvesting and processing.
  • Black tea has the most complex fermentation process, which accounts for its heady scent and high caffeine levels.
  • Many cultures believe that you can read the future in tea leaves. Simply finish your cup of tea made with loose tea, and swirl the remaining tea and leaves three times. The pattern the leaves make is purported to show you the future.
  • Loose tea holds the flavor of the leaves better than tea bags, due to the fact that the leaves tend to remain whole, versus being broken up to fit into the bag.
  • Approximately three billion (yes…with a B) cups of tea are consumed on a daily basis across the globe.
  • Oats have been shown to reduce cholesterol and blood pressure and lower your risk of heart disease overall.
  • Oatmeal contains a rich store of a unique group of compounds known as avenanthramides, which have extremely powerful anti-inflammatory properties.
  • Oats contain 96 percent of the RDA for the mineral manganese, which is critical for bone health, blood sugar control and free-radical damage protection.
  • Oats are a great source of beta-glucan, a group of compounds with proven immune and cholesterol-fighting benefits.
  • Oats contain purines, compounds that can be broken down into uric acid, which when found in excess, can lead to gout and kidney stones.

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February 6, 2015 by Luke Leave a Comment

Nutrient Spotlight – Green Foods

Green foods are packed with so many nutrients, it’s no wonder they are called the super foods of the nutrition world. They are exceptionally rich sources of chlorophyll and vital minerals, and have been found to alleviate depression and fatigue, support your immune system, eliminate toxins, promote a healthy gut and bowel, inhibit Candida, aid in weight loss, and even banish bad breath.

What are Green Foods?

Green foods refer to certain grasses and algae that contain chlorophyll, which imparts the green color to these foods. The greener the plant, the greater the amount of chlorophyll.

Chlorophyll is widely known to help to neutralize and remove toxins. Foods high in chlorophyll also help heal digestive disorders, provide energy, boost immunity and prevent deficiency diseases such as anemia.

Green foods are nutrient rich and promote alkalinity within the body. They are an excellent source of many easily absorbable, alkaline minerals as well as amino acids, vitamins and enzymes, and can be used to supplement your regular meals. The following is a list of green foods commonly found on the market:

 

Microalgae such as spirulina and chlorella provide a concentrated source of protein containing all the amino acids and are a good source of minerals as well.

Alfalfa is a source of abundant calcium, magnesium, phosphorus, and potassium in a balanced ratio that promotes absorption.

Barley grass is an excellent source of all the amino acids, calcium, and iron.

Because many of these green foods have similar properties and benefits, it may be more useful to look at each green food itself.

Chlorophyll

According to an article published in Mutation Research, the National Institute for Occupational Safety and Health estimated that millions of workers in the manufacturing sector have been exposed to potentially hazardous chemicals, many of which cause genetic mutation and promote cancer. This same article reports on a study that shows the effectiveness of chlorophyll in counteracting the mutagenic effect of pollutants such as cigarette smoke, coal dust, and diesel-emission particles.

Chlorophyll was extremely effective at inhibiting the mutations of the various nitrogen compounds, aromatic amines, and hydrocarbons found in these substances. Chlorophyll also protected against harmful compounds in fried beef and pork, red grape juice, and red wine. Chlorophyll has also been used successfully to treat iron deficiency anemia and peptic ulcers.

Wheat and Barley Grass

Cereal grasses—namely wheat grass and barley grass—are high-chlorophyll foods. Commercially, they are available fresh and as supplements, in both powder and tablet form. It is also possible to grow wheat grass at home. Both have nearly identical therapeutic properties, although barley grass may be digested a little more easily by some folks. People with allergies to wheat and other cereals can usually tolerate these grasses since grain in its grass stage rarely triggers an allergic reaction.

These grasses contain about the same quotient of protein as meat, about 20 percent, as well as vitamin B12, chlorophyll, vitamin A and several other nutrients. Wheat grass is capable of incorporating more than 90 out of the estimated possible 102 minerals found in rich soil.

Wheat and barley grasses have been used to treat hepatitis and high cholesterol, as well as arthritis, peptic ulcers and hypoglycemia. They are both effective in reducing inflammation and contain the antioxidant superoxide dismutase (SOD), which slows cellular deterioration, plus various digestive enzymes that aid in detoxification.

Microalgae

Spirulina and chlorella contain more chlorophyll than any other foods. These algae are aquatic plants, spiral-shaped and emerald to blue-green in color, and have been used medicinally for thousands of years in South America and Africa.

They are also the highest sources of protein, beta-carotene and nucleic acids of any animal or plant food, as well as containing the essential fatty acids omega-3 and gamma linolenic acid. The protein in spirulina and chlorella is so easily digested and absorbed that two or three teaspoons of these microalgae are equivalent to 56 grams to 84 grams of meat. Further, unlike animal protein, the protein in algae generates a minimum of waste products when it is metabolized, thereby lessening stress on the liver.

Spirulina itself is a true powerhouse. This algae is made up of 55–70 percent pure protein, 95 percent of which is digestible, making it ideal for people with gastrointestinal disorders. In fact, because spirulina is so easily digested, it yields quick energy. It is also strongly anti-inflammatory and therefore useful in the treatment of hepatitis, gastritis and other inflammatory diseases.

Spirulina strengthens body tissues and protects the vascular system by lowering blood fat. Athletes use spirulina for energy and for its cleansing action after strenuous physical exertion, which can stimulate the body to rid itself of poisons. Plus, spirulina detoxifies the kidneys and liver, inhibiting the growth of fungi, bacteria and yeasts.

Spirulina is packed with more than 30 different vitamins and minerals and 18 amino acids, providing three times more vitamin E than raw wheat germ, 35 times more beta-carotene than carrots and is higher in the rare essential fatty acid gamma linolenic acid (GLA) than evening primrose oil.

Spirulina is also a rich store of glycogen, one of the most biologically active forms of quick energy available for consumption. This translates to a better sense of well-being and mental clarity. Plus, exciting research shows that spirulina can help to boost your immune system and fight cancer.

Chlorella is another well-known algae that is an especially effective detoxifier and anti-inflammatory agent, thanks to it’s high chlorophyll content, which stimulates these processes. Chlorella is notable for its tough outer cell walls, which bind with heavy metals, pesticides and carcinogens such as PCBs (polychlorinated biphenyls) and then carry these toxins out of the body. Because of chlorella growth factor, this algae also promotes growth and repair of all kinds of tissue. Animal studies show that it reduces cholesterol and atherosclerosis.

How to Use Green Foods

To reap the benefits of green foods, you can opt for chlorophyll itself or the specific plant forms discussed above.

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November 28, 2014 by Luke Leave a Comment

Fructose Malabsorption – A Cause of Irritable Bowel Syndrome

Do you suffer from

  • Gas
  • Bloating
  • Abdominal pain/discomfort
  • Diarrhoea
  • Constipation
  • Nausea
  • Floating or oily stools
  • Hypoglycaemia
  • Depression
  • Fatigue

Then you may have a condition called Fructose Malabsorption

What is Fructose Malabsorption?

Fructose malabsorption is a condition of impaired intestinal absorption of dietary fructose. It is common to mal-absorb this sugar; in fact 33% of healthy individuals have fructose malabsorption without experiencing any symptoms.

Fructose is a sugar found naturally in many foods, including honey, wheat, fruits, onions and vegetables. Fructose is present in a single sugar form and also as a chain of fructose sugar units called fructans. Normally, fructose is absorbed in the small bowel. In fructose malabsorption, the normal absorption of fructose is impaired.

“A much less well known condition, although similar to lactose intolerance, is fructose malabsorption. In fructose malabsorption a persons ability to  absorb fructose, is impaired”.

This results in fructose passing through the intestines and being fermented by bacteria, causing both gastrointestinal symptoms abdominal bloating/cramps, constipation, loose stools, diarrhoea or flatulence and increased proliferation of certain intestinal bacteria and yeast which metabolise fructose. These are common symptoms that can often be called “Irritable Bowel Syndrome”.

Fructose malabsorption only becomes problematic, requiring a low fructose diet, when the individual has a gastrointestinal condition such as IBS, or another functional gastrointestinal disorder. Not every food that contains fructose is a problem for people with fructose malabsorption. It is important to understand how fructose occurs in foods to know which foods are a problem.

These are common symptoms that can often be called   “Irritable Bowel Syndrome”.

 

How is it Diagnosed?

Fructose malabsorption is diagnosed via a hydrogen breath test. It is a similar test as used to diagnose lactose intolerance. Breath hydrogen measurements are taken fasting, 25 grams of fructose is administered and breath hydrogen levels are monitored regularly for 2-3 hours.

Dietary Advice

Dietary strategies to assist with minimising symptoms include

  1. Avoid foods that contain excess fructose
  2. Avoid dietary sources of fructans
  3. Reduce the fructose load

Fructose Foods

Recent literature shows a diet with generally reduced FODMAP content may be the most effective and practicable diet to aim for. The following information will give you details on how to specifically reduce fructose in your diet.

  • Fruit and fruit juices: apple, cherry, grape, guava, litchi, mango, melon (honeydew and watermelon), orange, papaya, pear, persimmon, pineapple, quince, star fruit. Cooked fruit generally has lower fructose content than uncooked fruit.
  • Most dried fruit, including currant, dates, dried fruit or health bars, fig, raisin.
  • Processed fruit: barbecue sauce, chutney, fruit from cans / tins (often in pear juice), plum sauce, sweet and sour sauce, tomato paste.
  • Sweets, food and drinks containing high fructose corn syrup (HFCS).
  • Honey
  • Vegetables in larger quantities (fructan content): artichoke, asparagus, beans, broccoli, cabbage, chicory, leek, onion, peanuts, tomato, zucchini.
  • Sweet wines: e.g. dessert wines, muscatel, port, sherry.
  • Wheat- based products: flour, pasta, bread, whole-grain breakfast cereals.
  • Sorbitol (E420 is sorbitol) and xylitol (E967 is xylitolcontaining foods: diet / ‘light’ and diabetic drinks, sugar-free chewing gum

 

 

 

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Luke Clarke

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