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The roller coaster hesitates for a split second at the peak of its steep track after a long, slow climb. You know what's about to happen — and there's no way to avoid it now. It's time to hang onto the handrail, palms sweating, heart racing, and brace yourself for the wild ride down.
What Is Fear?
Fear is one of the most basic human emotions. It is programmed into the nervous system and works like an instinct. From the time we're infants, we are equipped with the survival instincts necessary to respond with fear when we sense danger or feel unsafe.
Fear helps protect us. It makes us alert to danger and prepares us to deal with it. Feeling afraid is very natural — and helpful — in some situations. Fear can be like a warning, a signal that cautions us to be careful.
Like all emotions, fear can be mild, medium, or intense, depending on the situation and the person. A feeling of fear can be brief or it can last longer.
How Fear Works
When we sense danger, the brain reacts instantly, sending signals that activate the nervous system. This causes physical responses, such as a faster heartbeat, rapid breathing, and an increase in blood pressure. Blood pumps to muscle groups to prepare the body for physical action (such as running or fighting). Skin sweats to keep the body cool. Some people might notice sensations in the stomach, head, chest, legs, or hands. These physical sensations of fear can be mild or strong.
This response is known as "fight or flight" because that is exactly what the body is preparing itself to do: fight off the danger or run fast to get away. The body stays in this state of fight–flight until the brain receives an "all clear" message and turns off the response.
Sometimes fear is triggered by something that is startling or unexpected (like a loud noise), even if it's not actually dangerous. That's because the fear reaction is activated instantly — a few seconds faster than the thinking part of the brain can process or evaluate what's happening. As soon as the brain gets enough information to realize there's no danger ("Oh, it's just a balloon bursting — whew!"), it turns off the fear reaction. All this can happen in seconds.
Fears People Have
Fear is the word we use to describe our emotional reaction to something that seems dangerous. But the word "fear" is used in another way, too: to name something a person often feels afraid of.
People fear things or situations that make them feel unsafe or unsure. For instance, someone who isn't a strong swimmer might have a fear of deep water. In this case, the fear is helpful because it cautions the person to stay safe. Someone could overcome this fear by learning how to swim safely.
A fear can be healthy if it cautions a person to stay safe around something that could be dangerous. But sometimes a fear is unnecessary and causes more caution than the situation calls for.
Many people have a fear of public speaking. Whether it's giving a report in class, speaking at an assembly, or reciting lines in the school play, speaking in front of others is one of the most common fears people have.
People tend to avoid the situations or things they fear. But this doesn't help them overcome fear — in fact, it can be the reverse. Avoiding something scary reinforces a fear and keeps it strong.
People can overcome unnecessary fears by giving themselves the chance to learn about and gradually get used to the thing or situation they're afraid of. For example, people who fly despite a fear of flying can become used to unfamiliar sensations like takeoff or turbulence. They learn what to expect and have a chance to watch what others do to relax and enjoy the flight. Gradually (and safely) facing fear helps someone overcome it.
Fears During Childhood
Certain fears are normal during childhood. That's because fear can be a natural reaction to feeling unsure and vulnerable — and much of what children experience is new and unfamiliar.
Young kids often have fears of the dark, being alone, strangers, and monsters or other scary imaginary creatures. School-aged kids might be afraid when it's stormy or at a first sleepover. As they grow and learn, with the support of adults, most kids are able to slowly conquer these fears and outgrow them.
Some kids are more sensitive to fears and may have a tough time overcoming them. When fears last beyond the expected age, it might be a sign that someone is overly fearful, worried, or anxious. People whose fears are too intense or last too long might need help and support to overcome them.
Phobias
A phobia is an intense fear reaction to a particular thing or a situation.