Caffeine Case

13. Once caffeine is ingested, it first gets absorbed by the gastrointestinal track and then enters the bloodstream where it get absorbed by all the tissues. Caffeine in the body passes across a blood-brain barrier, and then crosses the placenta into the amniotic fluid and the fetus. After ingestion of caffeine, the liver is responsible for metabolizing the caffeine, which gets broken down into 3 principal metabolites (paraxanthine, theobromine, and theophylline). Out of all the caffeine ingested, only 1-5% will appear unchanged in the urine.

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Caffeine acts in the body by getting absorbed in the body through the cells relatively fast, after which it is expelled through the liver. The effects are that caffeine being a stimulant in the body, a short while after consumption with an increase in wakefulness. When taken in large amounts, it causes physical effects like irritability, insomnia and even restlessness.

15. Caffeine makes you feel more alert and/or energetic because it a central nervous system stimulant which temporarily shuts down drowsiness and restores alertness, which causes our body to react when it is ingested. Caffeine is also responsible for raising our "adrenaline" levels.

16. Caffeine consumption has both positive and negative side effects. Some negative side effects of caffeine are: increase in panic attacks, dehydration, very addicting, PMS in women, and emotional fatigue. But on the other hand, caffeine also has positive side effects which include: increase in alertness, helps the occurrence of Parkinson's disease, prevent heart disease, diabetes and increase in stamina. Some long term effects of caffeine can cause insomnia, which makes it hard to calm down to the point where sleep is necessary. Another long term effect to caffeine is addiction, which makes it hard to resist from caffeine, due to the fact that the body quickly gets