Tea has consistently been shown to inhibit the occurrence of tumors in experimental animals. The evidence for such a beneficial effect in humans, however, is limited. The authors examined the association between non-herbal tea consumption and cancer incidence in a prospective cohort study of 35,369 postmenopausal Iowa women. In this cohort, information on the frequency of tea drinking and other...

Non ulcer dyspepsia is a common gastrointestinal problem, the etiopathogenesis of which is not well established. This study was planned to see the effect of environmental factors like smoking, tea, alcohol, and NSAIDs consumption with non-ulcer dyspepsia. This study was conducted in the department of Gastroenterology, Medicine and Radiology of I.G. Medical College, Shimla, India. Three hundred ...

The tea plant Camellia sinesis is cultivated in >30 countries. Epidemiologic observations and laboratory studies have indicated that polyphenolic compounds present in tea may reduce the risk of a variety of illnesses, including cancer and coronary heart disease. Most studies involved green tea, however; only a few evaluated black tea. Results from studies in rats, mice, and hamsters showed that...

Objective: Tea, camellia sinensis, which is used as a popular beverage in Iran, may reduce the risk of cardiovascular diseases suchas coronary heart disease (CHD). In this investigation, we studied the effect of Iranian black and green tea on serum and liver lipid profile which is closely associated with obesity and many cardiovascular diseases. Materials and Methods: 24 male adult Wistar rats...

A large number of epidemiological studies have provided conflicting results about the relationship between tea consumption and ovarian cancer. This study aimed to clarify the association between tea consumption and ovarian cancer. A literature search of the MEDICINE, Scopus, PubMed, and Web of Science databases was performed in April 2016. A total of 18 (11 case-control and 7 cohort) studies, r...

OBJECTIVE To evaluate the association between green tea consumption and the risk of gastric cancer. METHODS Electronic search of the Cochrane Library, MEDLINE, EMBASE and Chinese Bio-medicine Database, which have articles published between (1966 and 2006), was conducted to select studies for this meta-analysis. RESULTS This meta-analysis included 14 epidemiologic studies, with a total numbe...

Oxidative stress is one of the underlying causes of Parkinson’s disease (PD). Because of its antioxidant effect, we hypothesize that green tea consumption (3 cups daily for 3 months) would improve antioxidant status and reduces oxidative damage in Parkinson’s disease. Fifteen subjects who were within the first five years of PD, on stable PD medication, and not regular green tea consumers were r...

Several studies have suggested that tea consumption might protect against the development and progression of cardiovascular disease, one of the leading causes of morbidity and mortality worldwide. The endothelium plays a pivotal role in arterial homeostasis. Reduced nitric oxide (NO) bioavailability with endothelial dysfunction is considered the earliest step in the pathogenesis of atherosclero...

BACKGROUND The association between tea intake and risk of oral, pharyngeal, and laryngeal carcinoma is still unclear. The aim of this meta-analysis was to quantify the effect of tea consumption on the incidence of oral, pharyngeal, and laryngeal cancer to provide a better understanding on this issue. MATERIAL/METHODS A literature search was conducted before January 2014 in MEDLINE and EMBASE ...

Objective: The purpose of our study was to examine the association of regular tea consumption with the risk of breast cancer in a large population-based case-control study from the United States. Methods: Five thousand and eighty-two women with incident breast cancer between the ages of 20 and 74 years old from population-based cancer registries in Wisconsin, Massachusetts, and New Hampshire an...