Is drinking tea and coffee bad for my heart? And how much caffeine is too much?
While there is often concern about the links between caffeine and heart health, a moderate amount of tea or coffee (four or five cups a day) should be fine for most people. Research shows that this level of caffeine intake shouldn’t be detrimental to your heart health, affect your cholesterol levels or heart rhythm.
Although drinking coffee has been shown to slightly increase blood pressure, this effect is usually temporary and is minimised over time if you drink caffeinated drinks regularly. Some people are more sensitive to caffeine and can experience palpitations. If this is you, then it’s sensible to limit or avoid caffeine. Remember that caffeine is found in quite a few sources including: tea, green tea, coffee, energy drinks, cola and chocolate.
To get the benefits of caffeine without undesirable effects, conduct an honest assessment of your sleep, energy levels and other factors that might be affected, and reduce your intake if needed. But remember caffeine has a long half-life (it lasts in the body for around 6-hours) and is a significant sleep-disruptor. So avoid or minimise caffeine intake during the second half of the day.
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