
Mushrooms are widely consumed in many countries and are generally known as a healthy food. They contain many important nutrients, including riboflavin, niacin, vitamin D, fibre, selenium, potassium, and
| Characteristics | Values |
|---|---|
| Cancer-causing | There is no evidence of human trials to date that prove mushrooms cause cancer. However, a few studies on mice have shown that the consumption of raw mushrooms may induce cancer. |
| Cancer-preventing | Some studies suggest that eating mushrooms may lower the risk of cancer, particularly breast cancer. |
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What You'll Learn
- Mushrooms are rich in vitamins, nutrients, and antioxidants
- Laboratory studies suggest mushrooms have anticarcinogenic properties
- Human studies on the link between mushroom intake and cancer risk are scarce
- Retrospective case-control studies suggest high mushroom consumption may be associated with lower risk of breast cancer
- The impact of baked mushrooms on cancer is not yet known

Mushrooms are rich in vitamins, nutrients, and antioxidants
Mushrooms are generally considered a healthy food and are widely consumed in many countries. They are rich in vitamins, nutrients, and antioxidants. For example, mushrooms contain vitamins B and D, fiber, selenium, potassium, and bioactive compounds.
Research has shown that the consumption of mushrooms is associated with a lower risk of cancer. A study by Pennsylvania State University found that people who ate two mushrooms a day (around 18 grams) had a 45% lower risk of cancer compared to those who did not eat mushrooms. The researchers suggested that mushrooms may help guard against cancer due to their high content of ergothioneine, a potent antioxidant and cellular protector.
However, it is important to note that the existing research on the link between mushroom consumption and cancer risk is limited. Most of the evidence comes from small studies conducted in Asian countries, and there is a lack of large-scale human studies. While some studies have found a significant association between mushroom consumption and a reduced risk of breast cancer, other types of cancer have not been sufficiently studied.
Additionally, there is some conflicting evidence regarding the potential carcinogenic effects of certain types of mushrooms. For example, studies have shown that the chemicals in some mushrooms, such as Agaricus bisporus and Gyromitra esculenta, can induce cancer in experimental animals. However, it is important to note that the effects of mushroom consumption in humans may differ from those in animals, and more research is needed to understand the specific mechanisms involved.
In conclusion, while mushrooms are indeed rich in vitamins, nutrients, and antioxidants, and current research suggests that they may have protective effects against cancer, more large-scale and diverse human studies are needed to confirm these findings and fully understand the complex relationship between mushroom consumption and cancer risk.
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Laboratory studies suggest mushrooms have anticarcinogenic properties
Laboratory studies have shown that mushrooms possess anticarcinogenic and immunomodulating properties. Mushrooms are rich in vitamins, nutrients, and antioxidants, such as ergothioneine, an amino acid with antioxidant and cellular protection properties.
Research has shown that people who incorporate mushrooms into their daily diets have a lower risk of cancer. A study by Pennsylvania State University found that people who ate two mushrooms a day (around 18 grams) had a 45% lower risk of cancer compared to those who did not eat mushrooms. The study analyzed data from more than 19,500 cancer patients and 17 cancer studies published from 1966 to 2020.
However, it is important to note that human studies evaluating the relationship between mushroom intake and cancer risk are limited. While retrospective case-control studies have suggested that high mushroom consumption may be associated with a lower risk of breast cancer, these types of studies are prone to selection and recall bias.
Additionally, the existing evidence on the association between mushroom consumption and cancer risk is largely derived from relatively small studies conducted in Asian countries. More prospective studies with diverse populations are needed to better understand the role of mushroom consumption in cancer development.
While laboratory studies suggest that mushrooms have anticarcinogenic properties, further research is required to confirm these findings and understand the specific mechanisms involved.
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Human studies on the link between mushroom intake and cancer risk are scarce
To date, only a handful of prospective cohort studies have examined the association between mushroom intake and cancer risk. These studies have produced varying results, with some suggesting a potential link between higher mushroom consumption and a reduced risk of certain cancers, particularly breast cancer. However, the existing evidence is largely derived from relatively small studies conducted in Asian countries, and more diverse populations are needed to draw definitive conclusions.
One notable study by Pennsylvania State University analyzed 17 cancer studies from 1966 to 2020, encompassing data from more than 19,500 cancer patients. The results indicated that individuals who incorporated mushrooms into their daily diets had a 45% lower risk of cancer compared to non-mushroom eaters. This research has sparked further interest in understanding the potential cancer-fighting properties of mushrooms.
However, it is important to interpret these findings with caution. Single research papers can reveal interesting correlations, but they do not necessarily prove causation. The Pennsylvania study, for example, was a meta-analysis that reviewed existing literature rather than conducting new experiments. While the results suggest a potential association between mushroom intake and reduced cancer risk, more comprehensive studies are needed to confirm these findings and identify specific mechanisms involved.
Additionally, it is worth noting that the potential impact of mushrooms on cancer risk may be influenced by various factors, including the type of mushroom, preparation methods, and individual differences in genetics and lifestyle factors. Further human studies are warranted to address these complexities and provide a more nuanced understanding of the relationship between mushroom intake and cancer risk.
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Retrospective case-control studies suggest high mushroom consumption may be associated with lower risk of breast cancer
While there is no definitive answer to whether mushrooms cause or cure cancer, several retrospective case-control studies have indicated that high mushroom consumption may be associated with a lower risk of breast cancer. These studies suggest that individuals who regularly consume mushrooms have a significantly reduced likelihood of developing breast cancer compared to those who consume fewer mushrooms or none at all.
Mushrooms are known to be a healthy food option, containing important nutrients such as riboflavin, niacin, vitamin D, fiber, selenium, potassium, and bioactive compounds. They are also the highest dietary source of ergothioneine, a potent antioxidant that may help protect against oxidative stress and lower the risk of cancer. The antioxidant properties of mushrooms, including ergothioneine and glutathione, are believed to contribute to their potential cancer-fighting effects.
The findings from retrospective case-control studies provide valuable insights into the potential benefits of mushroom consumption in reducing the risk of breast cancer. However, it is important to acknowledge that these types of studies have certain limitations, such as recall and selection bias. Participants in these studies may underreport their mushroom consumption, knowing that mushrooms are generally considered healthy. Therefore, it is essential to interpret the results with caution and conduct further prospective studies to confirm the relationship between mushroom intake and breast cancer risk.
While the exact mechanisms are not yet fully understood, the research suggests that the protective effects of mushrooms against cancer, specifically breast cancer, warrant further investigation. Future studies should aim to replicate these findings in larger and more diverse populations to strengthen the evidence and determine the specific cancers that may be impacted by mushroom consumption. Additionally, examining the effects of mushroom consumption in combination with other dietary factors and lifestyle choices will provide a more comprehensive understanding of its potential role in cancer prevention.
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The impact of baked mushrooms on cancer is not yet known
Mushrooms are widely consumed in many countries and are known to be healthy. They contain important nutrients such as riboflavin, niacin, vitamin D, fiber, selenium, potassium, and bioactive compounds. Laboratory studies have shown that mushrooms and mushroom extracts have anticarcinogenic and immunomodulating properties.
However, the impact of mushroom consumption on cancer risk in humans is still not fully understood. While some studies have suggested that eating mushrooms may reduce the risk of certain cancers, others have found no significant association. For example, a study by Pennsylvania State University found that consuming two mushrooms a day (around 18 grams) reduced the risk of cancer by 45% compared to not eating mushrooms. This study was a meta-analysis of 17 cancer studies from 1966 to 2020, involving more than 19,500 cancer patients. On the other hand, a study involving two large US cohorts of women and men found no evident association between mushroom consumption and the risk of total or site-specific cancers.
When it comes to baked mushrooms specifically, even less is known about their impact on cancer. While recent findings suggest that baked mushrooms may act similarly to raw mushrooms in terms of cancer induction, no studies have been conducted to confirm this. Cancer epidemiologists have not yet investigated the effects of mushroom consumption, including baked mushrooms, in humans.
Therefore, while mushrooms may have potential anticancer properties, more research is needed to fully understand their impact on cancer risk, especially when it comes to baked mushrooms. The impact of baked mushrooms on cancer is not yet known, and further studies are warranted to better pinpoint the mechanisms involved and the specific cancers that may be impacted.
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Frequently asked questions
There is no clear answer to this question. While some studies on mice have shown that certain raw mushrooms can induce cancer, human studies evaluating the relation between mushroom intake and cancer risk are scarce.
Yes. A study by Pennsylvania State University found that people who eat two mushrooms a day (around 18 grams) have a 45% lower risk of cancer compared with those who do not eat mushrooms.
Yes. A study on two large US cohorts found no association between mushroom consumption and the risk of total and site-specific cancers.
Yes. Significant advances have been made in recent years in cancer research concerning the chemistry and biological action of the various mushroom hydrazines and related chemicals as well as two mushrooms, Agaricus bisporus and Gyromitra esculenta.
No. While shiitake, oyster, maitake, and king oyster mushrooms have higher amounts of the amino acid ergothioneine, the Penn State study found that any variety of mushrooms were associated with a lower risk of cancer.

























