6. Lesch–Nyhan Syndrome
Lesch–Lesch-Nyhan syndrome is a severe genetic disorder that primarily affects males. This condition causes an overproduction of uric acid, leading to self-harm behaviors like biting and headbanging.
Individuals with Lesch–Nyhan also often experience neurological symptoms like involuntary movements and cognitive impairment. Though it’s a devastating condition, it is critical to understand its implications in genetic medicine and care.