"Everyone you meet is fighting a battle you know nothing about. Be kind. Always.”

"Everyone you meet is fighting a battle you know nothing about. Be kind. Always.”

Three months before his death, Robin Williams was diagnosed with Parkinson's disease. But an autopsy later showed that he actually had Lewy body dementia - a devastating brain disease that shares characteristics with both Parkinson's and Alzheimer's. Experts were stunned by how much the disease had ravaged his brain. One doctor said, 'This was about as devastating a form of Lewy body dementia as I had ever seen. It really amazed me that Robin could walk or move at all.'"