Alzheimer's: 'Death Sentence Without An Execution Date' (VIDEO)

An estimated 5.4 million Americans have Alzheimer's disease. Early-onset Alzheimer's afflicts people under 65 and accounts for less than 10% of cases. It is a small proportion, but an extremely aggressive form of the disease. It progresses much faster, the hereditary factors are much higher, the symptoms are typically severe and because many patients still have young children, it can wreak havoc for their families.

Ron Grant was diagnosed with Early-Onset Alzheimer's Disease five years ago. He was only 55. Before contracting the disease he had never heard about it. His life was turned upside down: he had to quit his job and go on Social Security, but despite it all and with incredible dignity, he decided that he was going to enjoy whatever time he has left.

On Thursday, Grant visited HuffPost Live to tell host Abby Huntsman his and his family's moving and inspirational story.

"We're enjoying life more than we were before," he said. "Because we're not worried about the future, because I haven't got much of a future," he added, tearfully laughing to himself.

"Alzheimer's is a death sentence," he said. "But, it doesn't have an execution date so, live your life to the fullest you can and enjoy yourself!"

Watch the full segment at HuffPost Live.