Cissy Houston, mother of legendary singer Whitney Houston and a Grammy Award-winning gospel singer herself, died on Oct. 7.
Researchers show that a pill form of the drug dronabinol, an FDA-approved synthetic version of marijuana's main ingredient, THC, reduces agitation in patients with Alzheimer's by an average of 30%.
Houston died on Monday morning in her New Jersey home while under hospice care for Alzheimer’s disease, her family said.