In your racecar, a cracked block from frozen coolants in the winter isn't usually the problem. Leaking freeze plugs that dump coolant on the track, however, is. If you have a freeze plug work its way ...

In TODAY.com's Expert Tip of the Day, a therapist reveals how to tell if you're in a "functional freeze" and why it's important to address it sooner rather than later. As you stare at your computer ...