Oregon Trail. Facts, information and articles about The Oregon Trail, a part of Westward Expansion from the Wild West. Oregon Trail summary: The 2,200-mile east-west trail served as a critical transportation route for emigrants traveling from Missouri to Oregon and other points west during the mid-1800s.
1 Preventing high blood pressure. 2  Some research in Chinese people shows that drinking 1 or 2 cups (4-20 oz or 120-599 mL) of oolong tea or green tea daily seems to prevent high blood pressure. 3  Drinking more tea seems to lower the risk even more. 4  Weak bones (osteoporosis).
The caffeine content of oolong teas decreases dramatically from the first to the third brew, yielding about 30â50 mg in first the cup, 15â25 mg in the second, and 5â10 mg in the third. Process: The leaves are withered and then rolled, often by hand.