Medicinal Mushrooms and Cancer

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Medicinal Mushrooms versus Cancer: A Natural Ally in Modern Medicine

In recent years, medicinal mushrooms have gained substantial attention in the field of cancer research. These fungi have been used for centuries for their medicinal powers and offer promising potential in complementing modern standard cancer therapies. Backed by research and clinical trials, medicinal mushrooms are emerging as powerful natural agents that may bolster the immune system and assist in the fight against cancer.

Medicinal mushrooms encompass a wide variety of species, with Reishi, Turkey Tail, Chaga, and Cordyceps being some of the most well-researched in oncology. These mushrooms contain bioactive compounds that exhibit anti-inflammatory, immune-boosting, and anticancer properties. According to the NCI’s Physician Data Query, these compounds affect cancer-related processes such as inhibiting tumor growth, triggering apoptosis (cell death), and suppressing angiogenesis (the formation of new blood vessels that feed tumors).

Medicinal Mushrooms and the Immune System

One of the key mechanisms through which medicinal mushrooms exert their anticancer effects is by modulating the immune system. Many mushrooms, including Turkey Tail and Reishi, contain beta-glucans—complex sugars that activate immune cells such as macrophages, T-cells, and natural killer (NK) cells. These immune cells play a crucial role in identifying and destroying cancer cells, helping the body mount a stronger defense against tumor growth.

This immune-modulating ability is particularly relevant in cancer patients undergoing chemotherapy or radiation, as these treatments can weaken the immune system. By enhancing immune function, medicinal mushrooms may help support the body’s natural defenses, potentially improving outcomes and reducing side effects during cancer treatment.

Chaga mushroom
Turkey tail mushroom blooming on a log

Turkey Tail Awakens the Immune System’s Power

One of the most compelling examples comes from research on Turkey Tail mushrooms. Turkey tail (Trametes versicolor), so called because of it’s beautiful colorful rings that resemble a turkey’s tail feathers, is commonly used in Japan as an adjuvant cancer therapy, meaning it is used alongside standard treatments and not used by itself. It is typically taken as tea, or in capsule form and has few reported side effects. Studies show that polysaccharide-K (PSK), the most well known active compound found in Turkey Tail mushrooms, can stimulate immune cells to better fight cancer. Further studies are needed to confirm the mechanism of action, but it is thought to operate by enhancing T-cell survival and by increasing natural killer (NK) cell counts when used with therapy. This immune-boosting effect may enhance the efficacy of chemotherapy, helping patients’ bodies to target cancer cells more effectively and helping patients to recover their strength after treatment.  

 Clinical trials have demonstrated that PSK improves survival rates in patients with cancers like gastric, breast, lung and colorectal cancer, making Turkey Tail a promising complementary therapy for cancer treatment. Notably, randomized clinical trials and other studies demonstrated that in gastric, lung and colorectal cancers,  human patients receiving PSK as part of their treatment lived longer than those who received chemotherapy alone. Watch this video, where Paul Stamets, the “Mushroom Man” discusses the benefits of Turkey Tail and other mushrooms for fighting cancer. 

The Power of Reishi in Cancer Prevention

Another medicinal mushroom gaining recognition in cancer research is Reishi (Ganoderma lucidum), often called the “mushroom of immortality” in traditional Chinese medicine. Research published by Hiroshima University in 2010 revealed that bioactive compounds from Reishi show significant potential in preventing precancerous lesions in the colon.

In a controlled study of nearly 200 patients undergoing colonoscopies, scientists discovered that patients treated with a water-soluble extract from Reishi exhibited a reduction in the size and number of adenomas (precancerous tumors), compared to an increase in untreated patients. This suggests that Reishi could be a valuable tool in preventing the progression of colorectal cancer. While more studies are needed, these findings underscore Reishi’s potential as a preventative measure in cancer care.

Reishi mushroom growing on tree bark

Chaga and Cordyceps: Two Other Powerful Mushroom Allies

Though less well-studied than Turkey Tail and Reishi, Chaga (Inonotus obliquus) and Cordyceps (Cordyceps sinensis) also show great promise in combating cancer according to research. Chaga, which has been used for centuries in Russia and Siberia for treating cancers, ulcers and tubercolosis, is rich in antioxidants and has been shown to have antitumor effects in animal studies. It’s thought to work by modulating the immune system, reducing inflammation, and inducing cancer cell death. Cordyceps, on the other hand, has demonstrated potential in reducing tumor size and enhancing immune function, making it a subject of interest in both lung and breast cancer studies.

Cordyceps mushrooms in wooden bowl
Chaga mushroom tea

The Role of Medicinal Mushrooms as Complementary Therapies

While medicinal mushrooms show considerable promise, it’s important to understand their role as complementary—not primary—therapies. Cancer is a complex disease that requires a multifaceted approach. Conventional treatments like surgery, chemotherapy, and radiation remain as the standards approved by regulatory bodies such as the FDA. However, integrating medicinal mushrooms into treatment regimens, under the guidance of healthcare professionals, may offer additional benefits.

Clinical studies, such as those mentioned above highlight the potential of mushrooms like Turkey Tail and Reishi to enhance conventional therapies, improve patient outcomes, and support immune function. While further research and clinical trials are needed to fully understand the scope of their benefits, the evidence so far is encouraging.

Conclusion: A Holistic Approach to Cancer Care

The growing body of research into medicinal mushrooms presents exciting opportunities in the realm of cancer treatment. From boosting the immune system to inhibiting tumor growth, these fungi are proving to be valuable allies in the fight against cancer.

However, as with any alternative therapy, it is essential to consult with healthcare professionals before incorporating medicinal mushrooms into your treatment plan. This ensures that patients receive personalized care that considers their specific medical needs and treatment goals.

The synergy between scientific research, traditional knowledge, and ongoing clinical studies continues to reveal new, holistic approaches to cancer care. While medicinal mushrooms are not a known cure for cancer, they offer a promising, natural complement to conventional therapies, providing hope and additional avenues for patient support.

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