Dr. Bray Links

Sunday, March 27, 2016

How To Prevent Breast Cancer

  1. Stay thin - fat stores fat-soluble toxins including EDCs and mycotoxins (see Mark Hyman's book "Eat Fat, Get Thin" if you are overweight). Also adipose tissue is high in aromatase which promotes breast cancer.
  2. Avoid alcohol - alcohol upregulates aromatase plus many beer and wine products sold in the US are contaminated with heavy metals, phthalates, and other contaminants (since they are not required to be labeled like other food and drink items)
  3. Get physical activity that involves sweating - sweating helps detoxification, especially heavy metals
  4. Avoid processed sugary foods and sugary drinks - sugar is a fertilizer for cancer cells (or more generally, metabolic inflexibility is a characteristic of cancer cells and can be used to combat cancer)
  5. Eat more vegetables and fruit - a whole-food plant-based diet is high in fiber and antioxidants (fiber is a critical part of detoxification)
  6. Eat more whole grains and legumes such as beans - fiber and phytoestrogens are strongly protective (phytoestrogens act as selective estrogen receptor modulators)
  7. Avoid red meat, processed meat, and dairy products - too many inflammatory compounds and endocrine disruptors
  8. Avoid dangerous personal care products (including creams, makeups, lipsticks, soaps, etc) - check EWG Skin Deep and Breast Cancer Fund
  9. Avoid synthetic progestins in hormones whenever possible.

*Do not support groups (eg. "Mammograms, Martinis, and Manicures" and here) that advertise breast cancer awareness / education events that serve alcohol or distribute endocrine disruptors - that just doesn't make sense. Should we hand out cigarettes at a lung cancer awareness event?*

As always, be cautious of supplements unless you (or your provider) have done an exhaustive review of the research literature and supplement contents (both active and inactive ingredients). You need to be skillful at obtaining and reviewing third-party supplement testing reports to have confidence in a supplement that you put into your body. It is hard to trust what is contained in most over-the-counter non-pharmaceutical-grade supplements.


"Breast cancer is the most common cancer among women in both developed and less-developed countries. Rates of breast cancer are increasing worldwide, with a particular increase in postmenopausal and estrogen receptor-positive cases. The World Cancer Research Fund (WCRF) and American Cancer Society (ACS) cancer prevention guidelines recommend maintaining a healthy weight, undertaking at least 150 minutes of moderate intensity exercise per week, limiting alcohol consumption, and eating a plant-based diet. Observational data link adherence to physical activity and alcohol guidelines throughout life to a reduced risk of developing pre- and postmenopausal breast cancer. Weight control throughout life appears to prevent cases after menopause. Adherence to a healthy dietary pattern does not have specific effects on breast cancer risk but remains important as it reduces the risk for other common diseases, such as cardiovascular disease (CVD), diabetes, and dementia. Emerging data suggest that smoking during adolescence or early adulthood increases later risk of breast cancer. Lifestyle factors appear to modify risk among high-risk women with a family history and those with typical risk of the general population, although their effects among carriers of BRCA mutations are not well defined. Recent expert reports estimate that successful lifestyle changes could prevent 25% to 30% of cases of breast cancer. These reductions will only be achieved if we can implement targeted prevention programs for high-risk women and women in population-based breast screening programs during childhood, adolescence, and early adulthood when the rapidly developing breast is particularly susceptible to carcinogenesis."

2015 - American Society of Clincial Oncology

Other links:



Jessica Bowen: Stage 3 Breast Cancer Survivor

Imagine a world where insurance covered this type of physician supervised care, instead of a 15 minute visit focused on data-entry into a computer every 3 to 6 months:

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