Sometimes you just know something’s not right. You feel a twinge in the pit of your gut, a growing sense of uneasiness, and you start to notice things that you wouldn’t normally notice. “Is that guy acting weird or am I just being paranoid?” You ask yourself before dismissing the thought. “Come on, nothing’s gonna happen in this neighborhood.“

Despite the headlines saturating every media outlet in the country, the United States is (statistically speaking) an overwhelmingly safe place to live. Regardless of our ever-present concerns about violent crime, mass shootings, and terror attacks, the likelihood that you’ll find yourself faced with a violent end is far lower than you’ll find throughout much of the world… and as a result, Americans are at a disadvantage when it comes to cultivating a high level of situational awareness.

Instead, Americans tend to develop what’s called a normalcy bias. Put simply, normalcy bias is our natural inclination to shrug away concerns about potential threats, because we’ve developed a deep-seated sense of what’s normal.

Our minds are evolutionarily hard-wired to assess and prioritize risks, and after decades of living in a world where you’ve never faced an active shooter or a terror attack, our brains tend to file those potential threats way in the back, after more pressing concerns like crashing our cars or falling down the stairs. The sheer unlikelihood that we could find ourselves in the middle of a fight for our lives just tends to make us ignore those fights until they’ve already landed right in our laps.

Normalcy bias manifests as a delay in our processing of what’s going on around us, as we hush away our gut instincts and dismiss our seemingly “unfounded” concerns as paranoia. In a nutshell, it’s our way of clinging to reality as we’ve come to know it through a lifetime of nervous twinges that we’ve ignored, followed by confirmations that we were safe. Those times you hesitated before dragging your trash can through the dark alley behind your house growing up helped you to overcome a fear of the dark, but also helped to establish a bias toward dismissing your concerns about what could be a threat.

That intellectual buffer is the source of normalcy bias. We discount concerns that seem unlikely and scold ourselves for being afraid of the dark, but those gut feelings are often actually the sum of a series of parts assembled subconsciously by the incredible, pattern-recognizing computers we call our brains. The evidence of a threat may not be irrefutable, but something has our hair standing on end. We dismiss it as a product of our overactive imaginations and eventually, this even stalls our ability to process real evidence of threats; as they break through the cognitive barriers between what our lives have been to this point and what they are about to become.

Fortunately, there’s a simple way to overcome the mental inhibitors of normalcy bias: simply practice maintaining an objective mindset when it comes to threats. When you catch yourself dismissing concerns about a bulge in the waistband of the rowdy drunk at the bar or the chances something dangerous could be waiting for you at the other end of a dark alley, stop and put some real thought into your situation instead of allowing normalcy bias to silence the warning bells in your head.

While in Alexandria, Egypt with my wife a few years ago, we were given a tour of a large building near the city’s port. As our tour reached the roof, our tour guide left us to enjoy the views and see ourselves out at our leisure, but before we could really take in the sights, I noticed a two-man sniper team perching themselves on a nearby roof. A bit further down the closed road to the port, I saw another team moving into position as well, and then another… Chances were good that these guys were members of law enforcement preparing security for an arrival, or port security conducting training. Honestly, we’ll never know – because the minute I spotted what could be a sign of impending trouble, I made the decision that we were leaving.

I never heard any news about something terrible happening at that port in Alexandria that day, but as an American traveling overseas with my adorable (but not all that good in a fight) wife, I try my best to avoid situations that involve armed overwatch from guys that aren’t wearing Old Glory on their shoulders.

Overcoming normalcy bias isn’t about living in a constant state of paranoia, but rather about listening to your gut and making a rational decision. Sometimes the things we perceive as threats are nothing more than bumps in the night… but when those bumps in the night are caused by real people that mean you harm, it pays to trust your gut.