Possible Clues:

• I note chin twitching in delicate situation
• January not starting sunny? Here a soaking's possible
• Unsafe — as may be pond skater?
• Nicotine misused outside hospital in a risky location
• About to take the plunge perhaps, mixing nicotine with heroin
• At risk, prior to a breakthrough?
• Once hit in crash, vulnerable
• At risk when circling narrow island
• Experiencing treacherous wintry conditions, sailing close to the wind?
• Destroyed nicotine, protecting hearts at risk