Caffeine can be addictive and can play havoc with the body. A series of bad effects have been noted in persons hooked on caffeine. Caffeine is just about everywhere and in everything, so we should know more about it.


The Good: When taken in low doses caffeine boost alertness and lessens fatigue


The Bad: Caffeine escalates blood pressure in non-habitual consumers. High blood pressure is linked to increase in strokes and cerebral vascular disease, that can raise the risk of multi-infarct dementia.


The Good: Caffeine boost the metabolic rate.


The Bad: Caffeine may cut down control of fine motor movements (e.g. causing shaky hands).


The Good: Caffeine is linked to a reduced risk of Parkinson’s disease, and studies assert caffeine is an effective treatment for the Parkinson’s disease motor symptoms.


The Good: Caffeine is rich source of healthful antioxidants that fight free radicals inside the body.


The Bad: Caffeine can boost cortisol secretion, which suppresses the immune system and can cause cardiovascular diseases.


The Good: Caffeine cuts down the risk of developing type 2 diabetes.


The Bad: Caffeine can be a major contributor to increased insomnia.


The Good: Caffeine escalates levels of neurotransmitters like norepinephrine, acetylcholine, dopamine, serotonin, epinephrine, and glutamate.


The Bad: Caffeine withdrawal can trigger headaches, fatigue, and decreased alertness.


The Good: Caffeine may boost the effectiveness of gastrointestinal uptake of some painkillers, largely in patients on migraine and headache medications.


The Bad: Caffeine taken in excess like 300 mg or higher can trigger anxiety.

Caffeine taken in moderation is good for health. However, high doses of caffeine may keep you awake all night.