Actress Cameron Diaz has opened up on why she began helping people suffering from HIV/AIDS, and it’s all due to a family tragedy. Cameron Diaz is widely known for her work on both comedy and drama movies. She was established as one of Hollywood’s most bankable stars, and in 2013 she was named the highest-paid actress over 40. But away from fame, her life hasn’t always been easy. The celebrity has been an active supporter and partner of the AIDS project in Los Angeles for a while. She has become known over the years for speaking out on issues that need attention. The star spoke out about this, …