2023-10-01 17:00:00
61,214 new cases of breast cancer were detected in mainland France in 2023, according to the National Cancer Institute. It is the most common cancer in women and the deadliest. According to’Health Insuranceit is a multifactorial disease: age, sex, family and personal history, genetic predispositions and lifestyle habits (alcohol consumption, smoking, unbalanced diet, etc.).
Migraine increases the risk of breast cancer
In a new study published in the journal BMC Cancer, researchers have just found a new risk factor: migraine. To reach this conclusion, scientists studied data from 102,804 people suffering from migraine. Among them, 14,624 had migraines with aura and 15,055 without aura.
20% of women are affected by migraines according to the National Institute of Health and Medical Research (Inserm). It is a chronic disease characterized by recurring attacks of painful headaches.
We speak of migraine with and without aura, when the headaches are accompanied or preceded by transient neurological disorders: visual, sensory, language and/or speech, or motor.
Migraine without aura: greater risk of breast cancer
Thus, researchers observed that having migraine in general was a risk factor for breast cancer in general but also for estrogen receptor-positive breast cancer.
Indeed, some breast cancers are hormone sensitive, that is to say that the cancer cells have hormonal receptors which detect estrogen or progesterone, two hormones which, among other things, stimulate their growth, according to the National Cancer Institute. This is called estrogen receptor-positive or progesterone receptor-positive breast cancer. These can be treated with hormone therapy.
Another conclusion: women with a history of migraine without aura had a greater risk of developing breast cancer in general but also breast cancer in which the tumor has negative hormone receptors and cannot be treated with hormone therapy.
“Women with a history of migraine, especially without aura, should (be further screened for) breast cancer to be diagnosed earlier and treated accordingly,” the authors conclude.
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