What you should know about endometriosis, the condition affecting actress Lena Dunham.br What you should know about endometriosis, the condition affecting actress Lena Dunham. Trevor shows his appreciation for the shows former host and .br What you should know about endometriosis, the condition affecting actress Lena Dunham. What you should know about endometriosis, the condition affecting .br Trevor shows his appreciation for the shows former host and discusses Speaker of the House John Boehners recent resignation. Watch full episodes of The .