Former US Secretary Dr Ben Carson has claimed President Joe Biden is ‘rapidly declining’ in his health, after sparking fresh concerns in recent weeks. This follows Biden’s several ‘freeze’ moments at the Juneteenth concert and a star-studded fundraiser in Los Angeles, where the 81-year-old had to be assisted by those nearby. Experts have addressed the behaviours demonstrated by Biden and likened his still stature to “Parkinson’s LA doctor Martin Cohen said Biden’s “frozen, masked faces, diminished arm swing and less frequent blinking” are likely “due to a central neurological disorder like Par…