"This is the first study of the role of serious mental illness in all family homicides.
There are approximately 4,000 family homicides in the United States each year. Individuals with serious mental illness are responsible for 29% of these, or approximately 1,150 homicides. This is 7% of all homicides in the U.S.
The role of serious mental illness varies depending on the family relationships. Approximately 67% of children who kill their parents are seriously mentally ill, but only 10% of spouses who kill their spouses,
Although total homicides have decreased markedly in the US in recent years, there has been no decrease in the number of children killing parents or parents killing children, the two types of family homicides most closely associated with serious mental illness.
Women are responsible for 11% of all homicides in the US but 26% of family homicides.
Elderly family members, especially women, are disproportionately victimized. Among all homicides in the US, only 2.2% of victims are ages 75 and older. In a sample of 2015 family homicides, 9.2% of the victims were age 75 and older.
Guns are used as the weapon in less than half of family homicides.
The failure of individuals with serious mental illness to take their medication and their abuse of alcohol and drugs are risk factors for family homicides. The majority of family homicides are preceded by warnings and threats that are often ignored. The adequate treatment of individuals with serious mental illness would prevent the majority of family homicides associated with serious mental illness."
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John Fowler - Scientist of the Day
Sir John Fowler, an English civil engineer, was born July 15, 1817.
John Fowler - Scientist of the Day
Sir John Fowler, an English civil engineer, was born July 15, 1817.
Scientists have long assumed that farming began among one group in the Mideast. But a new study suggests a more diverse origin story.
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This image shows one slice through the map of the large-scale structure of the universe from the Sloan Digital Sky Survey and its Baryon Oscillation Spectroscopic Survey. This image contains 48,741 galaxies, about 3 percent of the full survey dataset. Each dot in this picture indicates the position of a galaxy 6 billion years into the past. The image covers about 1/20th of the sky, a slice of the universe 6 billion light-years wide, 4.5 billion light-years high, and 500 million light-years thick. Color indicates distance from Earth, ranging from yellow on the near side of the slice to purple on the far side. Galaxies are highly clustered, revealing superclusters and voids whose presence is seeded in the first fraction of a second after the Big Bang. Grey patches are small regions without survey data.
Image credit: Daniel Eisenstein and SDSS-III
Pics After ten years of work by hundreds of scientists, the Sloan Digital Sky Survey III has produced the most complete map of our nearby universe covering over a million galaxies.…
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How much water does your lawn really need? A University of Utah study re-evaluated lawn watering recommendations by measuring water used by lawns in Los Angeles. Scientists study how much water plants lose so that landscape managers can know how much water they need to put back in. Water evaporates in a straightforward physical process that depends primarily on the temperature and humidity of the air. But plants also lose water through transpiration, breathing out water vapor as part of their metabolism. Researchers attempt to determine a crop's evotranspiration rates by placing a large greenhouse-like chamber over an area of plants and measure how temperature and humidity changed within the chamber. But the presence of such a large chamber changes the plants' environment so much that the method is far from ideal.
Image credit: Courtesy of Elizaveta Litvak