Aug 16, 2024 · Overview Post-traumatic stress disorder (PTSD) is a mental health condition that's caused by an extremely stressful or terrifying event — either being part of it or witnessing it. …

Jun 25, 2025 · Repeated head trauma is likely the cause of chronic traumatic encephalopathy, also known as CTE. Football players in the United States, ice hockey players and military …

Oct 7, 2025 · Memory loss also is a common symptom of mild cognitive impairment. This condition involves memory loss and other cognitive issues that aren't as serious as those …

Feb 4, 2021 · If a head injury causes a mild traumatic brain injury, long-term problems are rare. But a severe injury can mean significant problems.

Aug 31, 2023 · Dissociative disorders usually arise as a reaction to shocking, distressing or painful events and help push away difficult memories. Symptoms depend in part on the type of …

Jun 7, 2025 · Memory loss is one of the early symptoms of dementia. But having memory loss alone doesn't mean you have dementia because memory loss can have different causes. …

Oct 30, 2024 · Overview Persistent post-concussive symptoms are symptoms of a mild traumatic brain injury that typically last longer than three months. Persistent post-concussive symptoms …

Aug 10, 2022 · Transient global amnesia is an episode of confusion that comes on suddenly in a person who is otherwise alert. This confused state isn't caused by a more common …

Jan 12, 2024 · Symptoms The symptoms of a concussion can be subtle and may not occur right away. Symptoms can last for days, weeks or even longer. Common symptoms after a mild …

Oct 7, 2025 · The type of memory loss and whether it's recent or long term. When the memory loss started and whether it's gotten worse over time. Factors that may have triggered memory …