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.
Europe's highest active volcano, Mount Etna, spews lava in January 2012. The volcano is located in Sicily. Mount Etna's vent is sometimes topped with snow during the winter. Lava flows into the ocean from Kilauea, the youngest of the volcanoes on Hawaii's Big Island.