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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.
“The caffeine in coffee can lead to increased heart rate and blood pressure, and can also lead to dehydration,” Dr. Paz says, cautioning that as long as you’re consuming it in moderation ...
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 ...
Drinking coffee only in the morning may help people live longer compared to drinking the beverage throughout the day, a new study suggests. Researchers from Tulane University analyzed dietary and ...
An electrocardiogram (EKG) involves the use of electrodes that are placed on the arms, chest, and legs. [29] These sensors detect any abnormal rhythms that the heart may be producing. This test is painless and it helps detect insufficient blood flow to the heart. [29] An EKG can also detect damage that has been done in the past to the heart. [30]
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]
A new study suggests that moderate consumption of coffee and caffeine on a regular basis could be beneficial to prevent diseases like type 2 diabetes, coronary heart disease, and stroke.
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.