16. Not Enough Exercise
There is a lot of evidence that suggests that regular physical activity can help reduce breast cancer risk, especially in women past menopause. While it is unclear how much exercise is needed, studies have found that even as little as a few hours a week can make a difference.
15. Having Children Later in Life
“We see a slightly increased risk of breast cancer among women who have either never had a child or had their children after the age of 30,” said Dr. Kruse. Not to mention, the effect of pregnancy is closely liked to the type of breast cancer you have. For instance, certain types of breast cancer known as triple-negative, pregnancy seems to increase risk.
14. Not Breastfeeding
There are studies that suggest that breastfeeding can lower the risk of breast cancer, especially if it’s continued for one to two years. However, this is relatively difficult to study, particularly in countries like the U.S. where breastfeeding for this long is uncommon. This lowered risk may be due to breastfeeding reducing a woman’s total number of menstrual cycles.Related: 42 Strange Symptoms That Can Indicate a Serious Disease