Complex sentence: In 2010, Loggia was diagnosed with Alzheimer's disease and died on December 4,2015, of complications from the disease, at his home in the Brentwood neighborhood of Los Angeles, aged 85.
Split into simpler sentences: In 2010, Loggia was diagnosed with Alzheimer's disease. He died on 4 December 2015, of complications from the disease, at his home in the Brentwood neighborhood of Los Angeles, aged 85.