Why Does My Coffee Make Me Feel Jittery?
If you’re like many coffee lovers, you’ve probably experienced the jitters after drinking a cup of joe. But have you ever wondered why this happens? In this post, we’ll explore the science behind why coffee can make you feel jittery and what you can do to avoid it.
What Causes the Jitters?
Caffeine is the main culprit behind the jitters when it comes to coffee consumption. Caffeine is a stimulant that affects the brain and nervous system, causing an increase in alertness and energy. When caffeine enters the bloodstream, it blocks the action of adenosine, a chemical that makes us feel tired.
As adenosine levels drop, dopamine and norepinephrine levels rise, leading to increased heart rate, blood pressure, and respiration. This can cause feelings of jitteriness, anxiety, and an overall sense of being “on edge.”
How Much Caffeine is Too Much?
The amount of caffeine that causes the jitters varies from person to person. However, as a general guideline, the American Academy of Sleep Medicine recommends that adults consume no more than 400 milligrams of caffeine per day.
To put this into perspective, here are the approximate amounts of caffeine found in popular coffee drinks:
- Brewed coffee: 8 ounces = 60-180 milligrams
- Espresso: 1 shot = 60-75 milligrams
- Latte or cappuccino: 12 ounces = 100-150 milligrams
Other Factors That Contribute to the Jitters
While caffeine is the primary cause of the jitters, other factors can contribute to this effect. Some of these include:
- Sleep deprivation: Lack of sleep can make you more sensitive to caffeine’s effects.
- Genetic predisposition: Some people may be more susceptible to caffeine’s stimulating effects due to their genetic makeup.
- Hormonal changes: Hormonal fluctuations during pregnancy, menstruation, or menopause can affect how the body responds to caffeine.
- Stress and anxiety: If you’re already feeling stressed or anxious, even a small amount of caffeine can exacerbate these feelings.
Ways to Avoid the Jitters
If you’re sensitive to caffeine’s effects or simply want to avoid the jitters, here are some tips:
- Start with a low dose: If you’re new to coffee or haven’t had it in a while, start with a small amount and gradually increase your intake.
- Choose Arabica beans: Arabica beans contain less caffeine than Robusta beans, making them a better choice for those who want to minimize their caffeine intake.
- Avoid mixing with other stimulants: Don’t consume coffee or energy drinks if you’ve already had other sources of caffeine that day.
- Be mindful of your body’s response: Pay attention to how your body reacts to coffee and adjust your consumption accordingly.
Conclusion
The jitters caused by coffee are a common phenomenon, but understanding the science behind it can help you take steps to avoid this effect. By being aware of your caffeine intake, managing other factors that contribute to the jitters, and taking proactive measures, you can enjoy your daily cup of joe without feeling like you’re on edge.