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).
Oolong is semi-oxidized, so itâs between green and black tea in terms of flavor and caffeine content. Popular oolongs include milk oolong, oolong supreme, tie kwan yin, and ruby oolong. Puâerh is an aged and fermented tea with a slightly âfishyâ smell. Itâs close to black tea in terms of caffeine content.