Winfrey, 71, said that in addition to a loss of concentration, she also suffered from heart palpitations -- a sensation of a racing or irregular heartbeat -- which she said she did not know were a symptom of menopause, the time in life when a woman's periods stop permanently.

Oprah Winfrey is back on Monday night and taking on a subject that impacts over half the population but doesn't nearly get enough attention: menopause.

In 2023, Oprah shed light on a life stage that all women experience, menopause, hosting her groundbreaking conversation “The Menopause Talk.” Now, Oprah has returned to the subject with a new—and, as always,