Trauma experienced in childhood has a special ability to wound, especially when it includes emotional, physical, or sexual abuse or neglect. The fallout echoes through the years and causes negative consequences, such as higher risks of depression, anxiety, bipolar disorder, PTSD, obesity, behavioral problems, and health problems such as heart disease. One study that followed hundreds of adolescents over time found that 80% of individuals who had been abused as children met the criteria for at least one psychiatric disorder at age 21.