Which of the following constitutes a factor that increases the risk for breast cancer?

A) being physically very active
B) having dense breasts
C) multiple sexual partners
D) irregular menstrual periods

Dense Breasts

A condition where breasts have less fatty tissue and more glandular and fibrous tissue, observed in mammograms.

Breast Cancer

A type of cancer originating from breast tissue, characterized by the uncontrolled growth of breast cells and commonly detected via lumps, imaging tests, or changes in breast appearance.

Physical Activity

Any bodily movement produced by skeletal muscles that requires energy expenditure, including exercise and daily activities.