What happens to the body when caffeine is consumed?

Medically Reviewed by Checkmark Medically Reviewed By: Sheela Krishnaswamy

When caffeine is consumed, it acts as a nervous system stimulant, i.e., it increases brain and nervous system activity. When it reaches your brain, it noticeably alerts you. A person would feel more awake and less tired, therefore, it’s a common ingredient in medications to treat or manage drowsiness, headaches, and migraines. It can also lead to other symptoms such as increased heart rate, increased breathing, and increased physical energy, a few minutes after consumption. These effects can last up to 12 hours and are variable as per an individual and the amount consumed. It also increases the circulation of chemicals such as cortisol and adrenaline in the body.

How our body reacts to caffeine depends on the body’s mass, health, and metabolism. Another factor is whether your body is used to getting regular doses of caffeine.

It makes you feel refreshed and focused when consumed in small quantities. If consumed in huge amounts, it can lead to caffeine toxicity. Symptoms of it can be seizures, abdominal pain, digestive issues, etc. Also, regular consumption in large amounts can lead to addiction.

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Disclaimer
Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can further read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

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