Depression increases your risk of a number of diseases and other conditions by, for example, increasing levels of stress hormones such as cortisol or adrenaline. Depression can affect the immune system, making it harder for your body to fight infection. Vaccinations are even less effective in people with depression.
The total surface area of the Earth is about 7008510000000000000â 510 million km2 (197 million sq mi). Of this, 70.8%, or 7008361130000000000â 361.13 million km2 (139.43 million sq mi), is below sea level and covered by ocean water.
The land area of Canada is 3,512,524 square miles, but the total area of the country, including inland and coastal water, is 3,856,751 square miles   It is, after Russia, t â¦ he second largest country in the world.29 people found this useful. The question and answer are locked and cannot be edited.anada has a total land and water area of 3,855,102 square miles, of which almost 9% is water. (This is 9,984,670 km2 - another figure cited is 3,854,085 which is not equal. â¦). 5 people found this useful.