Poison ivy and other poison plant rashes canât be spread from person to person. But it is possible to pick up the rash from plant oil that may have stuck to clothing, pets, garden tools, and other items that have come in contact with these plants.
Biological Causes. Some individuals are more vulnerable to depression than others due to their own unique biological factors, such as presence of depression-triggering genes. This means that depression is hereditary; hence it tends to run in families, notes the Black Dog Institute.nother biological trigger of depression is abnormal brain structure and chemistry. The report released by the National Institute for Mental health notes that the brain structure of an individual with depression is slightly different from the rest of individuals who do not have the disorder.
Depression is a mental disorder that affects more than 350 million people across the globe. According to the World Health Organization (WHO), itâs the leading cause of disability, a major contributor to global disease, and it leads to suicide â and some people may be prone to it more than others.fter transgendered people, teenagers who have had family in the military have been found to experience more depression, hopelessness, and suicidal thoughts than their peers without family in the military.