Stress doesn't just feel like a mood; it changes the way your brain processes information.When you are under chronic stress, your brain stops "reflecting" and starts "reacting." It shifts from a high-level CEO to a panicked security guard.

When we talk about a muscle "snapping," "popping," or "tearing," we are witnessing a mechanical failure of the body's primary tension system. To understand why a muscle behaves like a snapped bungee cord, we have to look at its elasticityand its limitations.

When a joint is injured (by an accident or just decades of use), the body sends in a rescue team of inflammatory proteins and enzymes. Here is where the mission goes sideways:

While many people mistake a migraine for "just a bad headache," it is actually a complex neurological event involving a massive wave of electrical and chemical activity that sweeps across the brain.

The biggest issue with MRIs is that they are too good. They pick up every tiny deviation from a "perfect" spine. However, many of these findings are just normal signs of aging.

• The Reality: Studies show that a huge percentage of people with no pain have disc bulges, herniations, and degneration.

• The Trap: If you are 40 years old and have back pain, an MRI will almost certainly show a bulging disc. You (and sometimes your doctor) may blame the pain on that bulge, even though it might have been there for ten years without causing a single issue.