One man learned this firsthand when, after taking a medication for heart failure, he developed a new physical feature — enlarged breasts.

The addition of the hormone progesterone to gender-affirming hormone therapy leads to increased breast growth for transgender people following feminizing hormone therapy. This is demonstrated by an ...

Medically reviewed by Kelly Wood, MD Key Takeaways Hormones serve as chemical messengers in the body and regulate functions ...

Dr. Jamin Brahmbhatt is a urologist and robotic surgeon with Orlando Health and an assistant professor at the University of Central Florida’s College of Medicine. Breast changes in men are common.

Because of their effects on male and female breasts, estrogen and progesterone can promote the growth of some breast cancers. Breast cancers sensitive to hormones are typically referred to as hormone ...

Male breast cancer is often treated with methods similar to female breast cancer treatment. These may include surgery, chemotherapy, radiation therapy, hormone therapy, targeted therapy, or a ...

Trastuzumab-Pertuzumab Plus Eribulin or Taxane as First-Line Chemotherapy for Human Epidermal Growth Factor 2–Positive Locally Advanced/Metastatic Breast Cancer: The Randomized Noninferiority Phase ...

The addition of the hormone progesterone to gender-affirming hormone therapy leads to increased breast growth for transgender people following feminising hormone therapy. This is demonstrated by an ...