Researchers have determined that Werner Syndrome is caused by abnormal changes (mutations) of a gene (known as the WRN gene) located on the short arm of chromosome 8 (8p12-11.2).* More than 80 different mutations of the WRN gene have been identified in individuals with the disorder.ymptoms of the following disorders can be similar to those of Werner Syndrome. Comparisons may be useful for a differential diagnosis: Hutchinson-Gilford Progeria Syndrome is a very rare disorder of childhood characterized by premature aging, short stature, and characteristic facial features.
Daylight savings time in the U.S. ends at 2 a.m. local time on November 2. Scott Gow cleans the faces of wall clocks that are being tested at the Electric Time Company in Medfield, Massachusetts. Daylight savings time in the U.S. ends at 2 a.m. local time on November 2. Photograph by Brian Snyder, Reuters.
Currently, in the U.S., daylight saving begins at 2:00 a.m. on the second Sunday of March and ends at 2:00 a.m. on the first Sunday of November. When the clocks spring ahead for most of the country in March, weâll enjoy an extra hour of daylight in the evening. But weâll also lose an extra hour of sleep. Though an hour difference in sleep doesnât sound like much, it can take a toll on our physical and mental health. RELATED: Tips on surviving daylight saving time from a sleep expert