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.
Latest World census figures as of Dec. 10, 2008 = 6,867,020,300 people living on Earth as of today. Divide the acres of land by the number of people and you get = 5.36 acres of land for every single person on Earth. I would like to request my land be on a Hawaiian beach and not Antarctica, thanks!! Source(s): davehuckleberry_55 Â· 7 years ago.