John Adams was admitted to Harvard at the age of 15.  He suffered from somatization disorder, and experienced a plethora of strange undiagnosed symptoms. Adams suffered from tremors in his hands that he referred to as “quiverations”, he had poor vision, rheumatism, and spoke of his sciatica at times. John Adams and Thomas Jefferson died on the same day-July 4, 1826. Adams was 90 years old when he died.