Fact #14: 87 days until the start of my field placement

Fact #14: The symptoms of altitude sickness don't generally occur until you're at 8,000 feet (2,438 metres). Depending on which yardstick you use, Machu Picchu may be less than (or more). Some say it's at 7,100 feet (2,164 metres); others say 9,000 (2,743 metres). Bottom line: Cut yourself a little slack.