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.
In summary there is evidence that a vegetarian diet protects against cardio-vascular disease, particularly heart disease, and there may be some health benefits related to diabetes and colon cancer. Evidence is lacking, however, for any benefits related to other cancers, other conditions, or mortality rates.he take home message is that there may be health benefits to being a vegetarian, but these may be due mostly to eating a balanced diet, exercising regularly, limiting alcohol consumption and not smoking.