'Titanic' actress Kate Winslet reveals she underwent testosterone replacement therapy

'Titanic' actress Kate Winslet has revealed that she underwent testosterone replacement therapy to boost her libido (sex drive). The 48-year-old said that testosterone levels may affect libido in women. "A lot of people don't know this, but women have testosterone in their body, when it runs out, like eggs, it's gone...you have to replace it," she said.