Causes of Blackouts. The most common cause of a blackout is called syncope, (âsin-co-peeâ). Syncope describes blacking out because of a sudden drop in blood flow to the brain. Usually syncope is so-called âReflex Syncopeâ. This is the cause of fainting. The blackout occurs because blood pressure suddenly drops and the brain is temporarily starved of oxygen and glucose. Although a faint can cause accidental injury, it is not dangerous of itself, provided the patient can lie down flat.
Love is evergreen. Green is everywhere. Itâs the most common color in the natural world, and itâs second only to blue as the most common favorite color. Itâs the color we associate with money, the environment, and aliens, and itâs the color of revitalization and rebirth. Letâs break down our understanding about the color green.
Several minerals have a green color, including the emerald, which is colored green by its chromium content. In surveys made in Europe and the United States, green is the color most commonly associated with nature, life, health, youth, spring, hope and envy.