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Researchers say consuming more than 400 milligrams of caffeine per day could raise the risk of cardiovascular disease. Excessive caffeine from coffee, tea, energy drinks, and other beverages may ...
While the caffeine in coffee can cause an increase in blood pressure and, therefore, increase stroke risk, Christopher Yi, MD, board certified vascular surgeon at Memorial Orange Coast Medical ...
“Caffeine can temporarily raise blood pressure and cause mild vasoconstriction (narrowing of blood vessels), which might seem like negative effects for heart health. It also has a mild diuretic ...
The European Food Safety Authority reported that up to 400 mg of caffeine per day (around 5.7 mg/kg of body mass per day) does not raise safety concerns for non-pregnant adults, while intakes up to 200 mg per day for pregnant and lactating women do not raise safety concerns for the fetus or the breast-fed infants. [32]
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.
Unfortunately, Dr. Wu says that regular caffeine consumption can cause you to build up a tolerance, meaning you may need to drink more over time to get the same effect, which can potentially ...
Caffeine dependence can cause a host of physiological effects if caffeine consumption is not maintained. Commonly known caffeine withdrawal symptoms include headaches, fatigue, loss of focus, lack of motivation, mood swings, nausea, insomnia, dizziness, cardiac issues, hypertension, anxiety, and backache and joint pain; these can range in severity from mild to severe. [18]
Individuals may have genetic differences that could affect their ability to metabolize caffeine, Routhenstein noted, which means coffee’s effects on heart rate and blood pressure can vary from ...