 Yeah, I'm Brandon's sister. Castmates are mourning the loss of Beverly Hills 90210 Shannon Doherty, who'd been battling cancer. She was 53. Fitness fanatic Richard Simmons died the day after his 76th birthday, and Dr. Ruth Westheimer gone at the age of 96. Deborah Rodriguez, CBS News. Prescriptions require an online consultation with a health care provider who will determine if appropriate. Restrictions apply. See website for details and important safety information. Subscription required. Price varies based on product and subscription plan.