The role of health education on breast cancer awareness. Studies have shown that your risk for breast cancer is due to a combination of factors. A risk factor is something that increases the risk of developing cancer. But what that stat doesnt tell you is that your risk of breast cancer is probably. By choosing the healthiest lifestyle options possible, you. The strongest risk factors for breast cancer are female sex and age. A risk factor is anything that increases your chances of getting a disease, such as cancer. Age, family history, reproductive factors, estrogen and life style are five important risk factors of breast cancer, represented. Compared to other malignancies in women, bc has received considerably more public attention. However, there are some risk factors you can control, such. Breast cancer remains a major public health problem. Breast density is the amount of breast tissue compared to fat tissue in your breasts. Being a woman and getting older are the main risk factors for breast cancer.
Breast cancer is complex and likely caused by a combination of risk factors. Risk factors you cannot control age the chance of getting breast cancer increases as you get older. Risk factors for breast cancer canadian cancer society. Furthermore, the accumulative effect of all these risk factors showed that 99.
Fiber consumption linked to lower breast cancer risk. Pdf breast cancer is the most frequently diagnosed neoplastic disease in women around menopause often leading to a significant reduction of these. If you have a high amount of breast tissue compared to fat, you have a high breast density. If your mother, sister, father or child has been diagnosed with breast or ovarian cancer, you have a higher risk. When considering your breast cancer risk, it is important to remember that most women who develop breast cancer have no obvious risk factors and no family history of breast cancer. Soluble fiber was associated with lower risks of breast cancer, and higher total fiber intake was associated with a lower risk in both premenopausal and postmenopausal women. We applied population attributable fractions for individual and multiple risk factors to sitespeci. While you cant change some breast cancer risk factors family. In addition to the risk factors all women face, some risk factors put young women at a higher risk for getting breast cancer at a young age if you are under the age of 45, you. Breast cancer is the second leading cause of cancer deaths among women in the united states. Relative risk estimates were also elevated in relation to a history of high blood cholesterol, rapid weight gain, benign breast conditions, and possibly obesity. Other factors that can increase a womans risk for developing breast cancer include.
But having a risk factor, or even many, does not mean that you are sure to get the disease. Breast cancer is diagnosed more often in caucasian women than women of other races family history and genetic factors. Youve heard the statisticsthat 1 in 8 women will be diagnosed with breast cancer in her lifetime. If your breasts are not dense, other factors may still place you at increased risk for breast cancer including a family history of the disease, previous chest radiation treatment for cancer and. Breast cancer is the most common cancer affecting women worldwide. Established, speculated, and unsupported risk factors for human breast cancer established risk factors female gender age previous breast cancer. Associations between etiological factors and cancer risk have been shown to be differential across molecular tumor subtypes in earlier epidemiological studies 1, 2.
Details for each estimate can be found in the technical report risk factors for breast cancer. By choosing the healthiest lifestyle options possible, you can empower yourself and make sure your breast cancer risk is as low as possible. Prediction models stratify a womans risk for developing cancer and can guide screening. The exact cause of breast cancer remains unclear, but some risk factors make it more likely. In this work, we extend marginal survival models that have been extensively applied in modelling breast cancer risk factors elsewhere 15, 16 by including the random effect the frailty which. However, researchers have found factors that increase or. Breast cancer risk factors defined by estrogen and. The known risk factors for breast cancer are listed below. The breast cancer risk assessment tool allows health professionals to estimate a womans risk of developing invasive breast cancer over the next 5 years and up to age 90 lifetime risk the tool uses a womans personal medical and reproductive history and the history of breast cancer among her firstdegree relatives mother, sisters, daughters to estimate absolute breast cancer risk her. Ontario breast screening program cancer care ontario. In 2019 the latest year for which statistics are available, the risk was % or one in 8. Other factors being overweight, lack of exercise, smoking cigarettes, and eating unhealthy food can be changed by making choices. Many of the most important risk factors for breast cancer are beyond your control, such as age, family history, and medical history.
However, researchers have found factors that increase or decrease the chance of getting breast cancer. Risk factors for breast cancer at a young age bring your. National breast and ovarian cancer centre is funded by the australian government department of health and ageing. The incidence is rising in most countries and is projected to rise further over the next 20 years despite current efforts to. The main factors that influence your risk include being a woman and getting older. The nccn guidelines panel for cervical cancer screening endorses the following guidelines for the prevention and early detection of cervical cancer. Schematic diagram of risk factors and preventions of breast cancer.
Breast cancer is hormone related, and the factors that modify risk of this cancer when. The lifetime probability of developing breast cancer is one in six overall one in eight for invasive disease. In 1940, the lifetime risk of a woman developing breast cancer was 5%, or one in 20. Most breast cancers are found in women who are 50 years old or older. Most controllable risk factors only have a small effect on risk. The american cancer society characterizes risk factors into three categories. Identification of modifiable factors may contribute to development of prevention strategies decreasing breast cancer incidence. However, researchers have found factors that increase. This graphic represents best estimates of relative risk, sourced from the strongest quality evidence, for women who have not been diagnosed with invasive breast cancer. Breast cancer 2010 report world cancer research fund. Breast cancer risk factors what affects your risk of getting breast cancer.
Learn more about breast density and cancer risk on the next page. Two out of three women with invasive cancer are diagnosed after age 55. Risk factors for axillary node involvement the axillary lymph nodes alns receive 85 percent of the. Risk determination and prevention of breast cancer. As mentioned above, breast cancer is far more common in women. It is possible to prevent some of these risk factors. Breast cancer occurs nearly 100 times more often in women than in men. While you cant change some breast cancer risk factorsfamily history and. Two other established breast cancer risk factors, alcohol consumption and a family history of breast cancer, were associated with increased breast cancer risk for all erpr.
Review article reproductive factors and risk of breast. Thisoctober,thenationalbreastcancerawarenessmonthiscelebratingits25 th. Influence of lifestyle factors on breast cancer risk. Breast cancer risk and prevention american cancer society. Obesity as risk factor for subtypes of breast cancer. To focus funding on research into diet and cancer prevention. Risk factors for breast cancer american council on. Age cumulative risk of breast cancer increases with age, with most breast cancers occurring after. There are many risk factors for breast cancer some are things you can change and others are not. However, even women with unchangeable risk factors can do things to manager.
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