The world has become increasingly fascinated by President Joe Biden’s age and health, with some even turning to doctors for snapshot appraisals of the 81-year-old president's ‘freezing’ episodes. Knewz.com has learned of one such opinion stemming from the inventor of the gold-standard cognitive test, Dr. Ziad Nasreddine. Speaking to theDaily Mail, Dr. Nasreddine noted that slurred speech is a symptom of Parkinson's disease and is brought on by disrupted secretions of brain hormones responsible for movement. The latter was broached in the context of Biden’s numerous erroneous speech and movement episodes—and sometimes the complete lack thereof. The last such occurrence...