Top 10 Worst Case Scenario Medical Conditions

HowStuffWorks "Top 10 Worst Case Scenario Medical Conditions": "You might find yourself lost on a hiking expedition, leading to a number of worst case scenarios -- dehydration, fatigue or some kind of food or waterborne illness. You don't even have to be on an adventure vacation to encounter some of these medical conditions, either. A simple wrong turn on the way to grandma's house could leave you stranded and out of gas in the searing heat or freezing cold."