Prime Minister David Cameron on tackling online porn; Osteoporosis, what can you do to protect your bones? Dame Stephanie "Steve" Shirley - philanthropist and Woman's Hour Powerlister talks about her life and the joy of helping others. How do you know if your child's speech is developing at the rate it should and what can you do to help?

The Derbyshire teacher who's so convinced that getting the right bra is important that she's set up classes on breast health at her school. Plus how the suffragettes spread the word back in 1913. Actress Kim Cattrall on her latest role in Tennessee William's Sweet Bird of Youth. And musician Gabrielle Aplin performs her single Home. Show less