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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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