You may use a certificate of citizenship or a naturalization certificate, to prove that you are a US citizen. But both the documents are not the same. A US citizenship certificate is granted to a person who acquires or derives citizenship from his US citizen parents.
Causes Of Twitching Of Fingers And Thumb. 1  Carpel tunnel syndrome causes twitching of muscles as the median nerve through the carpel tunnel becomes compressed. 2  A less disconcerting cause is muscle cramps that happen when small muscles in the hand contract.
The exact causes of eye twitching are unknown, but it is believed to be related to an abnormal functioning of certain nerve areas located at the base of the brain. These nerve areas control the coordination of muscle movements.ther common eye twitch causes include: 1  Stress. 2  Irritation of the Cornea or Conjunctiva. 3  Fatigue/Lack of sleep. 4  Prolonged staring at a computer screen or television.