Study shows clear connection between two types of tea and hypertension, increase high blood pressure just half an hour after drinking them

Having high blood pressure puts a person at an increased risk of having a life-threatening event, such as a stroke or a heart attack. Although teas are frequently lauded for the positive effects they have on one’s health, there is some evidence that two common varieties may actually contribute significantly to the development of high blood pressure.

The study consisted of two separate trials. The first experiment looked at both of the hot beverages, along with plain water and water whose caffeine content was matched to that of the teas, while the second experiment simply looked at black and green tea.

In the first trial, twenty healthy male participants were used, and in the second trial, male and female participants with high blood pressure were used.

In addition to that, throughout the course of the week, each participant was required to consume five cups of both green and black tea.

Although these two choices are high in flavonoids, which have been shown to have positive impacts on health, they also include a significant amount of caffeine.

The latter component was specifically what caused the severe reaction to the hot beverages.

After thirty minutes of consumption, the research team discovered that those who drank the hot beverage saw an increase in their hypertension levels.

At the 60-minute mark, when the blood pressure was checked once more, there was no evidence of any “substantial” impacts.

The group that conducted the study came to the following conclusion: “Contrary to our initial premise, drinking tea induced larger acute elevations in blood pressure than caffeine alone.”

“However, any acute effects of tea on blood pressure did not convert into substantial variations in ambulatory blood pressure following regular consumption of tea,” the study said. “[T]here were no significant differences in blood pressure.”

In spite of the significant rise in blood pressure that was observed during this study, additional research has shown that drinking tea has a number of health benefits.

A study that was conducted and published in the peer-reviewed publication PLOS ONE found that drinking black tea was truly able to bring down one’s blood pressure.

According to the findings of this research, which looked at 11 studies with a total of around 378 participants, drinking tea on a regular basis may be good for people who have hypertension.

According to the conclusion reached by the researchers, “even though the effect is tiny, such effects could be essential for cardiovascular health on a population basis.”

In addition, a reading of reduced blood pressure was also connected with drinking green tea in a different piece of research.

In a study that was published in the journal Scientific Reports, researchers found that drinking the green beverage “substantially” dropped participants’ blood pressure.

On the basis of these contrasting findings, it is challenging to arrive at a definitive judgment.

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