Measures like: 1  Exercise. 2  Diet. 3  Smoking cessation. 4  Alcohol restriction (1 or 2 drinks a day) 5  Weight loss (easier said than done) 6  Sodium (salt) reduction. 7  Deep breathing exercises. 8  Herbs and other supplements. See Herbs That Lower Blood Pressure.
Its top lies about 6,500 feet (about 2,000 meters) below the ocean surface, while the base extends down to about 4 miles (6.4 kilometers) deep. Tamu Massif dwarfs the largest active volcano on Earth, Mauna Loa in Hawaii, which measures about 2,000 square miles (5,200 square kilometers). Made of basalt, Tamu Massif is the oldest and largest feature of an oceanic plateau called the Shatsky Rise in the northwestern Pacific Ocean.
Thus Isla San CristÃ³bal, the nearest to the mainland, is approximately four million years old and composed of eroded, rounded cones, while Isla Fernandina dates at less than 7000 years and is considered to be one of the most active volcanoes in the world.