Article: The relationship between oil and breast cancer

• hesammoazzami13755731
• September 18, 2025
• 3:16 p.m
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Diet is one of the most important environmental factors that can affect the risk of breast cancer. In recent years, there have been many discussions about the role of various oils in the occurrence or prevention of this cancer. Some believe that all oils are harmful and contribute to the growth of cancer cells, while scientific research shows that the type of oil and the amount consumed can make a big difference. In this article, we will discuss the scientific study of the relationship between oil and breast cancer, true and false beliefs, and doctors' recommendations.

Saturated fats and breast cancer risk

Saturated fats, found mostly in animal products such as butter, tallow, and some industrial oils, are directly linked to increased estrogen levels and chronic inflammation in the body. Increased inflammation can provide the basis for cell changes and eventually breast cancer. For this reason, excessive consumption of these oils has been reported in epidemiological studies with an increased risk of breast cancer.

Nutritionists recommend that saturated fat intake be less than 10% of total daily calories to reduce the risk of cancer and heart disease.

Trans fats are the main culprit in unhealthy eating

One of the most dangerous types of oils are trans fats, which are found in fast foods, ready-made fried foods, and some sweets. In addition to having a negative effect on heart health, trans fat has also been shown to increase the risk of breast cancer in some studies. These oils can cause oxidative stress and DNA damage, which is one of the key pathways in carcinogenesis.

The role of useful vegetable oils

On the other hand, some oils such as olive oil, canola oil and sesame oil are rich in unsaturated fatty acids and antioxidants such as polyphenols, which have anti-inflammatory properties. Research has shown that the Mediterranean diet, which is based on olive oil consumption, can reduce the risk of breast cancer. These oils play a protective role by reducing inflammation and improving hormonal balance.

common rumour

One of the common rumors is that "all oils are carcinogenic". This belief is not correct. The type of oil, the method of consumption and its amount determine the final effect. Useful vegetable oils in balance can be part of a healthy diet.

Cooking methods and effect on cancer

Another important point is the method of using oil. Continuous frying at high temperatures produces harmful compounds such as acrylamide, which has been linked to an increased risk of breast cancer. The recommendation of doctors is to use methods such as steaming or grilling instead of frequent frying, and to choose oils with a high smoke point for cooking.

Fish oil and omega 3 fatty acids

Omega-3 fatty acids found in fish oil and flaxseed oil have anti-inflammatory and anti-tumor effects. Clinical studies have shown that women who regularly consume omega-3 are less likely to have breast cancer recurrence. These fatty acids help regulate cell growth and reduce abnormal proliferation.

Doctors' recommendations

Nutrition and oncology doctors believe that instead of completely eliminating oil, one should focus on correct selection and balanced consumption. Using olive oil as a salad dressing, consuming omega-3 from food sources and limiting saturated and trans oils are the best strategies to reduce the risk of breast cancer.

The relationship between oil and breast cancer is a complex and multifaceted issue. Scientific evidence shows that high consumption of saturated and trans oils can increase the risk, while healthy vegetable oils such as olive and omega-3 have a protective role. The false belief that all oils are harmful must be corrected and replaced by an informed and balanced choice. Finally, a varied diet rich in fruits, vegetables, whole grains and healthy oils is the best defense against breast cancer.

Effect of saturated fats on breast cancer

Diet plays a very important role in general health and disease prevention. One of the topics discussed in recent years is the relationship between saturated fats and breast cancer. Many women think that only genetic or environmental factors are involved in the occurrence of cancer, but scientific evidence has shown that the type of fat consumed in the diet can directly or indirectly affect the risk of cancer. In this article, we will discuss the scientific study of the effect of saturated fats, false beliefs and doctors' recommendations.

What are saturated fats?

Saturated fats are a type of fat that is mostly found in animal products such as butter, fatty red meat, tallow, as well as some vegetable oils such as coconut oil and palm oil. These fats are usually solid at room temperature, and excessive consumption is associated with cardiovascular disease, obesity, and diabetes. But the main question here is whether these fats can play a role in the occurrence of breast cancer?

Saturated fat and hormone levels

One of the possible mechanisms of the link between saturated fat and breast cancer is its effect on estrogen hormone levels. Studies have shown that high consumption of saturated fats increases the production of estrogen in the body, and this increase can be the basis for the growth of estrogen-dependent cancer cells in the breast tissue. This finding is especially important in postmenopausal women.

Nutritionists recommend that the share of saturated fats in the diet be less than 10% of total daily calories. This advice is necessary not only to prevent cancer, but also to reduce heart and metabolic diseases.

Inflammation and saturated fats

Chronic inflammation is another pathway through which saturated fats can play a role in carcinogenesis. By increasing the level of inflammatory markers in the blood, these types of fats create a suitable environment for DNA changes and abnormal cell growth. Long-term inflammation is one of the documented factors in the occurrence of breast cancer.

Saturated fat and obesity are two complementary factors

High consumption of saturated fat often leads to obesity and obesity itself is an important factor in the occurrence of breast cancer. The extra fat cells produce more estrogen and this cycle increases the risk of cancer. Therefore, it can be said that saturated fat and obesity act like two complementary factors.

False beliefs about saturated fat

Some people believe that all fats are equally harmful. This is a rumor. There is an important difference between saturated fat, trans fat, and healthy fats like omega-3. While excessive consumption of saturated and trans fat increases the risk of cancer and heart disease, healthy fats such as olive oil and fish oil can play a protective role.

Research findings

According to a large European study, women whose diets contained high amounts of saturated fat had a higher risk of developing breast cancer. In contrast, the group that limited their saturated fat intake and used more unsaturated vegetable oils showed a lower risk. These findings show that changing the type of fat consumed can be an effective strategy in cancer prevention.

Practical recommendations

It is recommended to reduce the risk of breast cancer:

• The consumption of high-fat meats and high-fat dairy products should be reduced.
• use healthy vegetable oils such as olive and canola oil.
• Avoid continuously frying foods with saturated oils.
• In the daily diet, increase the consumption of fruits, vegetables and whole grains.

The effect of saturated fats on breast cancer is a subject that has been investigated many times in scientific research and significant evidence confirms the connection between high consumption of these fats and increased risk. Mechanisms involved include increased estrogen levels, chronic inflammation, and obesity. Although the complete elimination of saturated fat may not be necessary, balanced consumption and replacement with healthy fats can play an important role in preventing cancer and promoting health. Conscious choice in nutrition is an effective step in reducing the risk of breast cancer.

Industrial oil and cancer scientific fact or a common rumor?

In recent years, the relationship between industrial oil and cancer has become one of the most discussed topics in scientific circles and even public conversations. Many people believe that any type of industrial oil is necessarily carcinogenic; While the scientific point of view shows that the type of oil, the amount of consumption and the method of use determine its risk or benefit. A careful examination of this issue can help make more informed food choices and a healthier lifestyle.

Trans fats in industrial oils

One of the most important concerns about industrial oils is the presence of trans fats. These types of fats are created during the hydrogenation process and are found in many products such as margarine, industrial sweets, fast foods and chips. Several studies have shown that trans fat can cause various types of cancer, including breast cancer, by increasing inflammation, insulin resistance, and DNA damage. These findings have made the World Health Organization (WHO) call for the gradual elimination of trans fats from the food cycle.

Nutritionists emphasize that consuming a small amount of trans fat can have negative effects. For this reason, it is recommended to use oils that do not contain trans and the words "0% trans" are included in their nutrition label.

Cooking methods with industrial oil

Another important aspect is how to use the oil. Long-term frying at high temperatures produces harmful compounds such as acrylamide, which is directly linked to an increased risk of cancer. If industrial oils are used repeatedly for frying, they undergo oxidation and new carcinogenic substances are created in them. Therefore, even quality industrial oils can be dangerous if used incorrectly.

Rumors and false beliefs

There are rumors in the society that all industrial oils are definitely carcinogenic. This belief is not correct. The fact is that some refined, standard industrial oils can be a healthy part of the diet if used in moderation and not used frequently for frying. The key point in choosing an oil is to pay attention to composition of fats, amount of trans and smoke point.

The difference between industrial oil and healthy vegetable oil

Industrial oils are usually produced through chemical processes that can destroy some of the beneficial natural compounds. On the other hand, healthy vegetable oils such as virgin olive oil or sesame oil have a protective effect against cancer due to the presence of natural polyphenols and antioxidants. Conscious choice between these two types of oil plays an important role in health.

Suggestions of experts

Many doctors recommend that in the daily diet, there should be a greater share of healthy vegetable oils such as olive, sesame and rapeseed, and the consumption of industrial frying oils should be minimized.

Scientific studies and available evidence

Epidemiological studies in different countries have shown that high consumption of fried foods with industrial oils increases the risk of breast cancer and other cancers. On the other hand, reducing the consumption of these oils and replacing them with healthy oils has significantly reduced the incidence of cancer. This scientific evidence shows that a change in eating style can be an effective strategy for prevention.

Summary

Industrial oil and cancer is a subject that must be examined with a scientific and balanced perspective. Not all industrial oils are necessarily carcinogenic, but oils with a high trans content and oils that are used repeatedly at high temperatures can increase the risk of cancer. False beliefs should be discarded and food choices should be made based on scientific evidence. Using healthy vegetable oils and avoiding the constant consumption of fried foods is an important step in reducing the risk of breast cancer and improving public health.

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