Possible Clues:

• Jet-setter's way of life
• Go-getter's place (2 words)
• Restrict food intake - lean build suits a hectic lifestyle in here
• Life in it is exciting but risky
• Quickest way to start infiltrating nuclear base
• Moving left as an unduly hasty driver appears here?
• Left on the highway
• The far left on the highway
• High-pressure venue
• Dieter's place on the road?