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.
What is the area of the US in square miles? The area of the United States in square miles is: total: 9,631,418 sq km land: 9,161,923 sq km water: 469,495 sq km note: includes only the 50 states and District of Col â¦ umbia The questioner wanted it in square miles not square km. To turn sq km into sq miles, multiply by 0.3861.