genes and neurodegenerative disorders

Genes are units of DNA that carry instructions for how our bodies develop and function. Sometimes, genetic changes or mutations can increase the risk of neurodegenerative disorders—conditions where nerve cells in the brain or nervous system gradually deteriorate. Examples include Alzheimer's, Parkinson's, and Huntington's disease. These disorders can lead to memory loss, movement problems, and cognitive decline. Genetics play a role in some cases, influencing susceptibility or age of onset, but environmental factors can also contribute. Understanding genes helps researchers develop targeted treatments and early detection methods for these complex conditions.