The United States <a href=" https://klubpodroznikow.com/toprol-xl-erowid.pdf#doom ">toprol xl 25 mg uses</a> Past research on severe psychological stressors in adulthood such as combat, living through natural disasters or serious trauma, has shown that it affects mental and physical health over a lifetime. But the research on more common stressors has been less clear.  Some studies have associated an increased risk of dementia or Alzheimer’s with traumatic events like losing a parent early in life or the death of a spouse.