The actor, who launched a menopause-focused wellness brand in 2022, became a first-time author with 'Dare I Say It: Everything I Wish I'd Known About Menopause'

The actress, who ultimately welcomed children Sasha and Kai with Liev, had been dealing with night sweats, migraines, and irregular periods for years. Perimenopause typically doesn't begin until age 40, although it can start as early as the 30s, according to Mount Sinai.