Green tea ( Camellia sinensis) for the prevention of cancer. Effects of tea and coffee consumption on cardiovascular diseases and relative risk factors: An update. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. As a result, these supplements may contain other substances that are unsafe for health or have unproven health benefits.Īlways check with a doctor before starting any herb or supplement regimen. The Food and Drug Administration (FDA) does not regulate green tea supplements. Reviews of these instances have also not been able to conclude direct causality. The majority of research has suggested that the rare cases of liver injury from green tea extract consumption are idiosyncratic reactions. Other stimulants: If a person consumes green tea alongside stimulant drugs, it could increase their blood pressure and heart rate.Liver damage: Consuming a high concentration of green tea extract may negatively impact liver health in rare cases.Caffeine sensitivity: People with severe caffeine sensitivities could experience insomnia, anxiety, irritability, nausea, or an upset stomach after drinking green tea.However, the following risks and complications are important to note: In adults, there are few known side effects associated with drinking green tea.
Overall findings from numerous human studies have yielded inconsistent results and limited evidence of the benefit of drinking green tea on the overall risk of cancer.
TAURINE EFFECTS MY PSORIASIS SKIN
A 2018 review of in vitro, in vivo, and human studies demonstrated the potential benefits of tea polyphenols in the chemoprevention of UVB-induced skin cancer.Īnimal and test tube cell studies have suggested some positive impacts on the following types of cancer: However, the topical application of green tea polyphenol extracts may have a role in protecting the skin from UVB radiation. The researchers assessed 142 completed studies, including 1.1 million participants. However, human studies have not shown consistent evidence to prove that drinking green tea reduces the overall risk of cancer.Ī 2020 database review of epidemiological and experimental studies in humans produced inconsistent results as well as limited evidence of the benefit of green tea consumption for lowering the risk of cancer. In countries where green tea consumption is high, some cancer rates tend to be lower.
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