Alternative therapies for cancer care can have dire consequences, experts say.Ananda Lewis, former MTV VJ and TV host, died last week from breast cancer at age 52. After revealing in 2020 that she had been battling breast cancer for more than two years, Lewis announced she was foregoing conventional treatment in favor of holistic methods such as juicing, herbal remedies and detox regimens. Lewis' cancer had already reached an advanced stage by the time it was detected -- delayed in part by her long-standing fear of mammograms and concerns about radiation exposure. Like Lewis, some cancer patients are questioning traditional...