Inquiring whether lignans are suitable for consumption?
Hello, a family member was previously diagnosed with gynecological cancer and was advised by their obstetrician-gynecologist to avoid hormone-containing foods, including soy and yam.
Recently, when visiting a traditional Chinese medicine practitioner, they were informed that some common foods contain lignans, which are also considered phytoestrogens, and were advised to avoid them.
However, some of the listed items are commonly consumed in daily life, which has caused us some confusion.
Could you please provide us with some advice? Thank you.
The items listed by the traditional Chinese medicine practitioner are: sesame, wheat, oats, barley, pumpkin seeds, and broccoli.
SEAN, 30~39 year old female. Ask Date: 2010/11/07
Dr. Shi Guimei reply Nutrition
Hello! Most foods have positive health benefits when consumed in moderation, but excessive intake can be harmful to health.
The foods you mentioned, when consumed in appropriate amounts, are actually beneficial to health.
Regularly varying your diet in daily life is helpful for your well-being.
Wishing you peace and health! Sincerely, Dietitian Shih Kuei-Mei, Director of the Nutrition Department, Taoyuan Hospital, Ministry of Health and Welfare.
Reply Date: 2010/11/07
More Info
When it comes to dietary choices for individuals with hormone-sensitive conditions, particularly those who have a history of hormone-related cancers, it is essential to approach the topic with caution and informed understanding. Lignans, which are a type of phytoestrogen found in various plant foods, can indeed raise concerns for those with such conditions.
Lignans are naturally occurring compounds found in seeds (especially flaxseeds), whole grains, fruits, and vegetables. They have been studied for their potential health benefits, including antioxidant properties and possible protective effects against certain types of cancer. However, because they can mimic estrogen in the body, there is a concern that they may influence hormone-sensitive conditions, such as breast or ovarian cancer.
Given your family member's history of gynecological cancer and the advice from their healthcare providers to avoid hormone-like foods, it is prudent to be cautious with lignan-rich foods. While some studies suggest that lignans may have a protective effect against certain cancers, the evidence is not definitive, and the effects can vary based on individual health status, the type of cancer, and the specific dietary context.
The foods you mentioned—sesame seeds, wheat, oats, barley, pumpkin seeds, and broccoli—are indeed common sources of lignans. While these foods are generally considered healthy and are part of a balanced diet, the concern arises when they are consumed in large quantities or when the individual has a heightened sensitivity to hormonal fluctuations.
Here are some considerations for your family member:
1. Consult with Healthcare Providers: It is crucial for your family member to discuss their dietary choices with their oncologist or a registered dietitian who specializes in cancer nutrition. They can provide personalized advice based on their medical history and current health status.
2. Moderation is Key: If your family member enjoys foods that contain lignans, moderation may be a reasonable approach. Instead of eliminating these foods entirely, they might consider limiting their intake and observing how their body responds.
3. Focus on Whole Foods: Emphasizing a diet rich in whole, unprocessed foods can be beneficial. This includes a variety of fruits, vegetables, whole grains, and lean proteins, which can provide essential nutrients without excessive hormone-like compounds.
4. Monitor Symptoms: If your family member decides to include lignan-containing foods in their diet, they should monitor any changes in their health or symptoms. If they notice any adverse effects, it may be wise to reduce or eliminate those foods.
5. Consider Alternatives: There are many other nutritious foods that do not contain lignans but still provide health benefits. For example, leafy greens, berries, and legumes can be excellent additions to the diet without the potential concerns associated with lignans.
In summary, while lignans are found in many healthy foods, individuals with hormone-sensitive conditions should approach their consumption with caution. It is always best to consult with healthcare professionals to tailor dietary choices to individual health needs and circumstances. By doing so, your family member can make informed decisions that support their overall health and well-being.
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