Guaiac-based fecal occult blood test (gFOBT) One way to test for colorectal cancer is to look for occult (hidden) blood in stool. The idea behind this test is that blood vessels in larger colorectal polyps or cancers are often fragile and easily damaged by the passage of stool.
How far to book in advance: Seven weeks for domestic flights. Book 11 to 12 weeks out for international flights. The worst day to buy: Within 11 days of your flight. One day before the flight was the absolute worst. The best fares for Thanksgiving: For Thanksgiving 2012, the best day to buy was, on average, 96 days (about 14 weeks) before the flight. The bottom line: Do your homework before booking any flight, and make sure you've got the right tools to set yourself up for the best fares.
By Nikki Ekstein. Youâve heard the myths: Tuesday is the best day to book airfare. Wednesday is the best day to fly. January is the cheapest month to travel. All of them are up for debate, to a certain extent. But according to new data from Booking.com, you can count on getting good hotel values by picking the right destination for the right time of year.