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Disadvantages of too much caffeine

Caffeine is perhaps the most widely consumed psychoactive stimulant in the world,

present in coffees, teas, energy drinks, chocolate, soft drinks, and even in some non-prescription

drugs. Caffeine increases activity in your brain and nervous system as well as increasing the

circulation of chemicals such as adrenaline and cortisol in the body. This isn’t to say that

caffeine is bad for you. It isn’t… in small doses where it can make you feel refreshed and

focused. In large doses though, it can make most people feel anxious and have a hard time falling

asleep. Like many other drugs, it is possible to develop a tolerance to caffeine which means you

increase your intake gradually to feel the symptoms.

Caffeine is deftly absorbed by the body, the short-term effects usually experienced

between 5-30 minutes after swallowing it. These effects can include heightened breathing and

heart rate as well as increased mental alertness and physical energy. Depending on the individual

and the amount of caffeine ingested, these effects can last up to 12 hours. Some of the signs and

symptoms of having too much caffeine can include a rise in body temperature, frequent

urination, dehydration, dizziness, headaches, rapid heartbeat, restlessness, excitability, anxiety,

irritability, trembling hands, and sleeplessness.

With the emergence and growing popularity of coffee shops, it’s important to control

your caffeine intake. How you react to caffeine depends on your body mass, health, and

metabolism but research suggests that 400mg per day or less is an acceptable dose of caffeine for

the general population.

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