What is Caffeine and How Does It Affect the Body? Caffeine is a natural stimulant most commonly found in coffee, tea, and various energy drinks. It works by stimulating the central nervous system, helping you stay alert and preventing the onset of tiredness. This effect occurs because caffeine blocks adenosine, a neurotransmitter responsible for relaxation and sleepiness, from binding to …
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What is Sleep Apnea? Sleep apnea is a common but serious sleep disorder where breathing repeatedly stops and starts during sleep. This condition can lead to poor sleep quality and various health issues if left untreated. There are two main types of sleep apnea: obstructive sleep apnea (OSA), which occurs when the throat muscles relax and block the airway, and …
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Understanding Arrhythmias: Causes and Symptoms Arrhythmias are irregular heartbeats caused by improper electrical impulses that regulate the heartbeat. These can result in the heart beating too fast (tachycardia), too slow (bradycardia), or irregularly. The most common causes of arrhythmias include heart disease, high blood pressure, smoking, heavy alcohol consumption, excessive caffeine intake, stress, and certain medications. Symptoms of arrhythmias can …
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