Researchers also acknowledge that high-levels of stress can be maintained even after a distressful event has passed. This is common in victims of highly traumatic events, such as surviving a war, natural disasters, or violent assaults; they may carry a heightened risk of dementia and Alzheimer's Disease.
The Massachusetts Supreme Judicial Court rules that the state constitution gives gay and lesbian couples the right to marry, making the Bay State the first in the nation to allow same-sex marriage. Weddings begin in 2004.
One high-profile ban occurred by referendum in California in 2008 after courts had previously allowed same-sex marriage. This continued across the US until the Supreme Court heard a challenge to the Defense of Marriage Act in 2013.