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Do Caffeine Crashes Make You Depressed?

by
author image Jennifer Oster
Jennifer Oster holds a Bachelor of Arts in social sciences from Louisiana State University and is also a certified lactation counselor. An expert in the field of infant and maternal nutrition, she began writing professionally in 2005 and has been featured in many nationally acclaimed magazines.
Do Caffeine Crashes Make You Depressed?
A tall mug of black coffee. Photo Credit Stockbyte/Stockbyte/Getty Images

Caffeine is the most commonly used stimulant in the world. It has been used for centuries to help invigorate the senses and energize the body. Many people use coffee, tea, energy drinks or caffeinated soft drinks as a way to boost energy and alertness at the start of a new day. However, few people realize that caffeine can have serious and negative side effects, including depression. Caffeine highs can last for a few hours, but after the initial high, caffeine levels drop dramatically, which can lead to depression and anxiety. If depression has become a problem, consult your doctor as soon as possible.

Biology of Depression

Depression begins at a biological level in a person's brain and is something that cannot be controlled by the individual experiencing it. Neurotransmitters, the chemicals in the brain responsible for sending message within the brain, are altered when a person experiences depression. During depression, the brain has lowered access to important neurotransmitters that regulate mood, appetite, stress and sleep. Many factors can trigger this problem, including genetics, hormones, blood sugar levels and stress.

Depression Symptoms

Symptoms of depression include changes in sleep patterns and appetite; difficulty concentrating; feeling hopeless or helpless; irritability or aggressiveness; constant sadness or anger; an inability to control negative thoughts and emotions, suicidal thoughts or reckless behavior. On average, depressed men tend to feel emotions such as anger rather than sadness. Short-term sadness in response to life's ups and downs is common. Depression is more than just sadness; it is a long-term problem that you should discuss with your doctor.

Caffeine and Depression

Low blood-sugar levels can cause feelings of depression. Caffeine works for a few hours to increase energy levels, but afterward, people often experience a caffeine crash. When caffeine is consumed, insulin, the hormone responsible for regulating blood sugar, is increased. Insulin lowers blood sugar levels, which can cause depression a few hours after you consume caffeine.

Treating Depression

If you think caffeine could be the root of your depression problem, try cutting it out for a week to see if things improve. Eat breakfast every day to balance blood sugar levels in the morning. There are many other ways to treat depression, including exercising, talking to friends, forming support systems and limiting sugar intake. If you are experiencing depression, consult your doctor immediately to discuss coping mechanisms, medications, counseling referrals and support.

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