I'm a Doctor and Here's the #1 Sign You Have Dementia

Almost six million Americans live with dementia—a disorder that affects the "cognitive functioning — thinking, remembering, and reasoning — to such an extent that it interferes with a person's daily life and activities. Some people with dementia cannot control their emotions, and their personalities may change," the National Institute on Aging states. While there's no cure for the time being, there are signs that indicate a person has dementia and preventive measures can be taken. Eat This, Not That! Health spoke with Dr. Dalia Lorenzo, neurologist at Baptist Health's Miami Neuroscience Institute who explained the signs of dementia to watch out for and how lack of sleep is connected to the disorder. Read on—and to ensure your health and the health of others, don't miss these Sure Signs You've Already Had COVID.