How does Caffeine Work?
Energy Drink Hazards
Safe Habits
Caffeine Effects
Heath, Habit, & Withdrawal
100

The chemical that promotes sleep.

What is adenosine?

100

These two major ingredients make energy drinks hazardous when consumed excessively.

What are caffeine and sugar?

100

What is the recommended caffeine intake per day for adults?

What is 400 mg?

100
What happens to heart rate and blood pressure after caffeine consumption?

What is they increase?

100

The most common withdrawal symptom after stopping caffeine is this.

What is a headache?

200

How does caffeine go from the GI tract to the brain?

What is the blood brain barrier?

200

Overconsumption of caffeine from energy drinks can cause these dangerous heart symptoms.

What are heart palpitations or arrhythmias?

200

You should avoid having caffeine __ hours before bed

What is 6-8?

200

True or false: caffeine can temporarily boost metabolism and fat oxidation

What is true?

200
Caffeine increases the release of this "feel-good" neurotransmitter, contributing to its addictive potential.

What is dopamine?

300

What characteristic of caffeine allows it to bind to sleep transmitter receptors?

What is its structure?


300

A single energy drink can contain up to 25–50 grams of this ingredient, leading to energy crashes and increased diabetes risk.

What is sugar?

300

How can drinking water help you wake up?

Dehydration often manifests as fatigue

300

How does impaired sleep quality impact cognitive function?

What is it reduces cognitive function over time?

300

This sleep phase is especially disrupted by caffeine, even if consumed hours earlier.

What is REM (rapid eye movement) sleep?

400

What are the main four sleep transmitter receptors? 

A1, A2A, A2B, A3

400

Besides caffeine, these hidden ingredients often act as extra stimulants in energy drinks.

What are guarana, taurine, or ginseng?

400

What is the ideal nap length?

What is 20 minutes?

400

True or false: When caffeine intake stops after a period of dependency there are no withdrawal symptoms

What is false?

400

This cardiovascular symptom can occur in habitual users who drink caffeine too quickly or in high doses.

What is heart palpitations (or rapid heartbeat)?

500

Which two sleep neurotransmitter related receptors does caffeine primarily impact to keep you awake?

What is A1 and A2A?

500

Many energy drinks contain 2–4 times more caffeine than a cup of coffee, which can lead to these physical effects.

What are rapid heart rate, high blood pressure, and anxiety?

500

Give an example of the drinks you could consume in a day to meet the safe consumption requirements

responses can vary

500

How does caffeine impact control of fine motor movements?

What is it reduces fine motor movement control?

500

In medical research, caffeine dependence is often evaluated using criteria similar to those for this larger category of disorders?

What are substance use disorders?

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