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.
However, a diet rich in fruit and vegetables that is typical of a vegan diet has a positive effect on the calcium economy and markers of bone metabolism in men and women (49). The high potassium and magnesium content of fruit and vegetables provides an alkaline ash, which inhibits bone resorption (53).