The Effects of Coffee on Your Body
Welcome to our exploration of how coffee affects your body. Ever wondered what happens when you sip your morning brew?
Let's dive into the world of caffeine, the key component in coffee.
Caffeine is naturally found in the leaves and fruits of some plants. It is in coffee, black and green tea, cocoa, cola soft drinks and energy drinks. It may also be in chocolate bars, energy bars and some non-prescription medications, such as cough syrup and slimming tablets.
Caffeine is a stimulant, which means it increases activity in your brain and nervous system. It also increases the circulation of chemicals such as cortisol and adrenaline in the body.
In small doses, caffeine can make you feel refreshed and focused. In large doses, caffeine can make you feel anxious and have difficulty sleeping.
Like many other drugs, it’s possible to develop a tolerance to caffeine, which means you need bigger and bigger doses to achieve the same effect.
What does caffeine do to your body?
Caffeine is well absorbed by the body, and the short-term effects are usually experienced between 5 and 30 minutes after having it. These effects can include increased breathing and heart rate, and increased mental alertness and physical energy. Depending on the individual, these effects can last up to 12 hours.
Some of the signs and symptoms of having too much caffeine include:
a rise in body temperature.
frequent urination.
dehydration. dizziness
and headaches.
rapid heartbeat.
restlessness and excitability.
anxiety and irritability.
trembling hands.
sleeplessness. How
much caffeine is okay each day?
How you react to caffeine depends on your body mass, health and metabolism. It also depends on whether your body is used to getting regular doses of caffeine and how much you have in one serving. Research suggests that 400mg per day or less is an acceptable dose of caffeine for the general population.
Approximate caffeine levels per serve include:
chocolate drinks: 5–10mg per 250ml.
instant coffee: 80–120mg per 250ml.
drip or percolated coffee: 150–240mg per 250ml.
espresso coffees such as espresso or latte: 105–110mg per 250ml.
decaffeinated coffee: 2–6mg per 250ml.
black tea: 65–105mg per 250ml.
cola drinks: 40–49mg per 375ml.
Red Bull energy drink: 80mg per 250 ml.
energy drink: 160mg per 250ml.
dark chocolate bar: 40-50mg per 55g serve.
milk chocolate bar– 10mg per 50g serve.
caffeine tablets such as No-Doz– 100mg per tablet.
Energy drinks and caffeine Energy
drinks contain caffeine, as well as ingredients such as taurine and guarana( a natural source of caffeine. Energy drinks do not hydrate and should not be confused with sports drinks.
The caffeine and sugar content of energy drinks is high. In fact it is often higher than in soft drinks. The levels of caffeine in energy drinks vary between brands, so it is important to read the label before having them.
Children and pregnant women should avoid drinking energy drinks.
Thanks for joining us on this journey. Stay healthy and enjoy your coffee!
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