Hyperventilation may also be the cause of your cold sensations, particularly if they are in your hands and feet. Those that have anxiety may be more prone to hyperventilating, which is when your body has more oxygen then it needs because breathing too quickly caused you to dispel your carbon dioxide.
Luckily, the USCIS allows you to check the status of your citizenship application online. To check your status, you will need to: Visit the My Case Status page on USCIS (https://egov.uscis.gov/cris/Dashboard.do). You can also learn more about processing times for specific applications on this page.
If you received a 221(g) letter after your interview because your application requires further administrative processing, you can check your case status online. Checking your case status online is fast and easy: 1. Go to the Consular Electronic Application Center (CEAC) website: https://ceac.state.gov/CEAC/ , 2.f you have already applied for a visa at the U.S. Embassy and have a question regarding your case, please first check the status of your case at http://www.abudhabiniv.net/ .