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At The Truth About Cancer, we’re absolutely nuts about natural cancer prevention. But what if nuts could be the secret to a cancer-free life? Research shows that that may be just the case! In this article, we’re going to focus on Brazil nuts, which demonstrate incredible anti-cancer benefits.
[We should clarify that, technically, the Brazil nut is a seed, not a nut (but it’s way harder to make seed puns). We’re going to refer to them as nuts here, just to keep things simple.]
Brazil nuts are tree nuts native to the Amazon rainforest in Brazil, Bolivia, and Peru. Their smooth, buttery texture and nutty flavor are typically enjoyed raw or blanched. These nuts are energy dense, highly nutritious, and one of the most concentrated dietary sources of the mineral selenium.
Selenium stimulates a variety of antioxidant pathways in the body and also reduces inflammation, regulates the immune response, and improves blood flow. Selenium can be one of the most potent sources for reducing inflammation.
Brazil Nuts are a rich source of selenium, which is an essential nutrient linked to cancer prevention. Eating just one Brazil nut daily can significantly lower your risk of cancer. There has been a bounty of research that links selenium with cancer prevention.
It is said that selenium has a protective effect on cancer risk and should be included in the diet in one form or another. Consuming a sufficient amount of selenium might also prevent several types of cancers like head, neck, liver, breast, esophageal, skin, prostate, colorectal, lung, bladder, and blood cancers.
Sufficient levels of selenium in the body are also linked to better immune function and better outcomes for infections, infertility, pregnancy, heart disease, and mood disorders.
Selenium acts a bit like a mechanic in how it works. It binds protective antioxidants like glutathione to areas of DNA that need repair. This process reduces the damage to cellular DNA and is especially important to reduce cancer growth, improve the aging process, and prevent against many degenerative diseases.
Research has been shown that selenium can contribute to natural antioxidant pathways which stimulate apoptosis (cell death) in human cancer cells. It has also been found to reduce metastasis in skin cancers such as melanoma.
It’s well understood that selenium maintains a healthy balance of reactive oxygen species (ROS) and can prevent metabolic complications like diabetes and cancer. Specifically, low selenium levels are associated with an increased risk of thyroid cancer. This is due to the crucial role it plays in protecting the thyroid gland from damage.
The incorporation of selenium into selenoproteins is essential for optimal thyroid health and for the protective effects of these antioxidant systems throughout the entire body. According to the Food and Drug Administration (FDA), the evidence is strong enough to claim selenium plays a pivotal role in carcinogenesis.
By supporting the repair of DNA, selenium is able to inhibit tumors generated by abnormal cellular growth and development. By removing hazardous agents from the body and detoxifying fatty tissue, selenium supports a healthy immune response to fight infection. Selenium treatment may be an alternative method in the fight against cancer and may even reduce mortality in many individuals struggling with chronic and infectious inflammatory diseases.
In a study done with rats who were daily fed a Brazil nut rich diet, it was observed that Brazil nuts were found to be just as powerful as sodium selenite. A parallel comparison with sodium selenite indicated that the selenium in Brazil nut and selenite selenium were equally bioactive. This adds more credit to the fact that consuming brazil nuts daily can significantly reduce the risk of cancer.
In another study done with 60 people, it was found that to raise selenium levels in the body, eating two Brazil nuts per day was as effective as taking selenium supplements.
A third study found that eating Brazil nuts that contained around 290 mcg of selenium daily for 8 weeks significantly increased the good cholesterol levels (HDL) of the body.
Thanks to selenium, Brazil nuts offer a boatload of health benefits beyond cancer prevention. In addition to roughly 1,000 times the necessary daily intake of selenium, a 1-ounce serving of Brazil nuts (about 8) contains the following nutrients:
- Calories: 187
- Protein: 4.1 grams
- Fat: 19 grams
- Carbs: 3.3 grams
- Fiber: 2.1 grams
- Selenium: 988% of the Reference Daily Intake (RDI)
- Copper: 55% of the RDI
- Magnesium: 33% of the
- Phosphorus: 30% of the RDI
- Manganese: 17% of the RDI
- Zinc: 10.5% of the RDI
- Thiamine: 16% of the RDI
- Vitamin E: 11% of the RDI
Brazil nuts can also help promote healthy cholesterol levels. Thanks to their heart-healthy polyunsaturated fatty acid profile, high fiber, and mineral-rich content, Brazil nuts have been shown to reduce total and LDL cholesterol levels. In fact, just one serving of Brazil nuts is sufficient to improve lipid profiles in healthy adults.
In small amounts, Brazil nuts can provide a healthy boost to one of your most important organs — your heart. The unsaturated fats, soluble fiber, antioxidants and phytonutrients present in nuts are all helpful for maintaining a healthy blood pressure, which has a direct positive effect on heart health.
Brazil nuts are naturally high in fat, but most of that fat is the health-boosting unsaturated kind. The unsaturated fats in Brazil nuts can increase your HDL cholesterol levels (good cholesterol).
Brazil nuts are rich in antioxidants, which are substances that help keep your cells healthy. They do this by combating damage caused by reactive molecules called free radicals. Brazil nuts also contain several antioxidants, including selenium, vitamin E, and phenols like gallic acid and ellagic acid.
Selenium increases levels of an enzyme known as glutathione peroxidase (GPx), which helps reduce inflammation and protect your body from oxidative stress — an imbalance between antioxidants and free radicals that can lead to cellular damage.
Low selenium levels have been linked with several mood-related disorders including anxiety and depression. One study demonstrated that these symptoms decreased after just five weeks of taking 100mcg selenium a day (which would be the equivalent of about 1- 1.5 Brazil nuts).
Brazil nuts are one of the unsung health heroes of nutritional wellness. When it comes to boosting your mood, fighting heart disease, or preventing cancer, Brazil nuts may be exactly what your body needs!
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