<p>You drink <strong>caffeine</strong> every morning....but did you know that it works exactly like a drug inside your body? </p><p>Let me explain to you what your cup of coffee or tea is really doing.
</p><p><strong>Caffeine</strong> is the world’s widely consumed <em>psychoactive</em> drug. It can be found in coffee, tea, soft drinks, and energy drinks.</p><h1>What Exactly Makes Caffeine a Drug?</h1><p>A substance is a drug if it:
</p><p>1. alters body function,
</p><p>2. affects the brain,
</p><p>3. changes how you feel or behave.
</p><p>Caffeine does all three. It stimulates the Central Nervous System, boosts alertness, increase heart rate, and affects mood.
</p><p>That is not just a drink. That is <strong>Pharmacology</strong>.
</p><h1>How Caffeine Works Inside Your Brain
</h1><p>Caffeine works by blocking the <em>adenosine receptors</em> in the brain. <em>Adenosine</em> is the chemical that makes you feel tired. So, when caffeine blocks it, you feel more awake, your neurons fire faster, and your brain releases <em>dopamine</em> and <em>adrenaline</em>.</p><h1>Why You Get Energy After Coffee
</h1><p>With more adrenaline:
</p><p>• your heart beats faster
</p><p>• your blood pressure rises
</p><p>• your body enters a mild “fight or flight” mode.
</p><p>That is why after coffee, you feel alert, motivated, and energised.
</p><p>It is a controlled stimulation, similar to mild psychostimulant drugs, but in a safe everyday dose.
</p><h1>Why Your Coffee Stops Working
</h1><p>When caffeine blocks adenosine, your body responds by creating more adenosine receptors.
</p><p>So, the more caffeine you take, the less effect you feel and the more you need to get the same boost.
</p><p>This is called "tolerance", a classic drug-related effect.
</p><h1>Withdrawal Symptoms
</h1><p>Because caffeine is a drug, stopping it suddenly leads to withdrawal, such as:
</p><p>• headaches
</p><p>• irritability
</p><p>• low energy
</p><p>• difficulty concentrating
</p><p>• even mild flu-like feelings
</p><p>These usually last 2-3 days, depending on how much caffeine you normally use.
</p><h1>Is Caffeine Addictive
</h1><p>Caffeine causes "dependence", not addiction. What is the difference?👇👇👇</p><p></p><ul><li>In dependence; your body adapts, you need more, then you get withdrawal when you stop.
</li><li>In addiction; you lose control, it affects daily life, then strong cravings occurs.
</li></ul><p></p><p>Caffeine is generally safe, but yes, your body depends on it if you take it regularly.
</p><h1>Is Caffeine Good or Bad
</h1><p>Moderate intake of caffeine is beneficial because:
</p><p>• it improves concentration
</p><p>• it boosts reaction time
</p><p>• it may lower risk of Parkinson’s and Alzheimer’s
</p><p>• it improves mood
</p><p>But too much of caffeine can cause:
</p><p>• anxiety
</p><p>• palpitations
</p><p>• insomnia
</p><p>• irritability
</p><p>• stomach upset
</p><p>So yes, caffeine is a real drug, affecting your brain, mood, energy, and body chemistry.
</p><p>Your morning coffee is pharmacology in a cup.
</p><p>If you found this helpful, do well to follow for more Pharmacology insights. Kindly like, comment, and share.
</p>
At the end of each month, we give out cash prizes to 5 people with the best insights in the past month
as well as coupon points to 15 people who didn't make the top 5, but shared high-quality content.
The winners are NOT picked from the leaderboards/rankings, we choose winners based on the quality, originality
and insightfulness of their content.
Here are a few other things to know
1
Quality over Quantity — You stand a higher chance of winning by publishing a few really good insights across the entire month,
rather than a lot of low-quality, spammy posts.
2
Share original, authentic, and engaging content that clearly reflects your voice, thoughts, and opinions.
3
Avoid using AI to generate content—use it instead to correct grammar, improve flow, enhance structure, and boost clarity.
4
Explore audio content—high-quality audio insights can significantly boost your chances of standing out.
5
Use eye-catching cover images—if your content doesn't attract attention, it's less likely to be read or engaged with.
6
Share your content in your social circles to build engagement around it.
Contributor Rankings
The Contributor Rankings shows the Top 20 Contributors on TwoCents a monthly and all-time basis.
The all-time ranking is based on the Contributor Score, which is a measure of all the engagement and exposure a contributor's content receives.
The monthly score sums the score on all your insights in the past 30 days. The monthly and all-time scores are calcuated DIFFERENTLY.
This page also shows the top engagers on TwoCents — these are community members that have engaged the most with other user's content.
Contributor Score
Here is a list of metrics that are used to calcuate your contributor score, arranged from
the metric with the highest weighting, to the one with the lowest weighting.
4
Comments (excluding replies)
5
Upvotes
6
Views
1
Number of insights published
2
Subscriptions received
3
Tips received
Below is a list of badges on TwoCents and their designations.
Comments