Green tea leaves steeping in a gaiwan. Steeping is the process of making a cup of tea; it is also referred to as brewing. In general, two grams of tea per 100 ml of water, or about one teaspoon of green tea per five-ounce (150 ml) cup, should be used.
A plant-based vegan diet can reduce the risk of mortality from conditions such as: 1  Type 2 diabetes. 2  Cardiovascular disease. 3  Ischemic heart disease. 4  Hypertension. 5  Stroke. 6  Obesity. 7  Some cancers including prostate and colon cancer.
There was also an association between a vegetarian diet and reduced risk of cancers of the gastrointestinal tract, including the esophagus and stomach, colon and pancreas. When focusing on specific types of vegetarian diets, the vegan diets showed protection for overall cancer incidence also.