The action of nicotine in the body is very complicated. It is a mild stimulant which has an effect upon the heart and brain. It stimulates the central nervous system causing irregular heartbeat and blood pressure, induces vomiting and diarrhea, and first stimulates, then inhibits glandular secretions.
The control number for this collection is 1651-0121. The estimated average time to complete this application is 40 minutes for SENTRI, FAST and Global Entry, and 10 minutes for U.S. APEC Business Traveler Card (ABTC).
If you're going to pay $85 and endure a background check to get TSA Pre-Check anyway, then pay $15 more for the right to speed through the border. Travel abroad anytime between now and 2021 and your future self will thank you. Getting Global Entry is a surprisingly uncomplicated process. You register for an account here and then begin the application. This part is a little tricky only because they ask for five years of address and employment history, so I hope you wrote those things down if you move a lot and your memory's bad.