Table 1.

Risk factors for breast cancer [8].

Hormonal and reproductive	Early age of the first menstruation
	Late age of the last menstruation
	The first reported pregnancy at a late age (after 30 years of age)
	No pregnancies
	Postmenopausal condition
	Use of oral contraception
	Use of hormone replacement therapy
Related to physiological factors and health status	Older age (increased risk from 35 years of age)
	Family history of breast cancer
	Breast, ovarian and endometrial cancer in the past
	Occurrence of benign changes in the breasts, proceeding with the presence of atypical hyperplasia
	Ionizing radiation, used in connection with, for example, Hodgkin lymphoma therapy
	Rapid growth in adolescence and high growth in adulthood
	Infection with an oncogenic virus (e.g., Epstein–Barr)
Nutritional	Western type diet
	Excessive consumption of fats, especially animal fats
	High consumption of red and fried meat
	High iron intake
	Development of overweight/obesity after menopause
	Low consumption of fresh vegetables and fruits
	Low intake of phytoestrogens (isoflavones, lignans)
Other lifestyle-related	Regular moderate/high alcohol consumption
	Lack of regular physical activity
	Night work