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However, excessive caffeine can increase heart rate and blood pressure, especially in sensitive individuals,” he says. ... “If you enjoy coffee, opt for simpler preparations like black coffee ...
A fast heart rate could be caused by stress, a fever, caffeine, or a condition like hyperthyroidism and low blood pressure. Here's when you need to a see a doc. Coffee Isn't The Only Drink That ...
Caffeine is a stimulant that occurs naturally in more than 60 plants, including coffee beans, tea leaves, and kola nuts, ... Fast heart rate. Dehydration. Anxiety. Dependency
The world's primary source of caffeine is the coffee "bean" (the seed of the coffee plant), from which coffee is brewed. Caffeine content in coffee varies widely depending on the type of coffee bean and the method of preparation used; [ 240 ] even beans within a given bush can show variations in concentration.
The health effects of coffee include various possible health benefits and health risks. [ 1 ] A 2017 umbrella review of meta-analyses found that drinking coffee is generally safe within usual levels of intake and is more likely to improve health outcomes than to cause harm at doses of 3 or 4 cups of coffee daily.
Caffeine dependence can cause a host of physiological effects if caffeine consumption is not maintained. Withdrawal symptoms may include headaches, fatigue, difficulty concentrating, lack of motivation, mood swings, nausea, insomnia, dizziness, cardiac issues, hypertension, anxiety, backaches, and joint pain; these can range in severity from mild to severe. [18]
Regular coffee consumption lowers your risk of hypertension, heart failure and abnormal heart rhythm,” he says, adding that it does this by affecting sodium reabsorption in the kidneys ...
Caffeine is a mild diuretic, which can often lead to dehydration. Other physical disadvantages include, impaired fine motor control, observed via the shakiness of athlete's hands, gastrointestinal upset, increased heart rate and sleep disruptions. [9]