What is Prader-Willi syndrome?
Prader-Willi is a rare genetic condition that is diagnosed soon after birth.
The condition happens by chance and causes life-long symptoms, that will need support throughout adulthood.
The condition must be carefully managed to avoid serious complications in later life, such as type 2 diabetes and heart failure.
What causes Prader-Willi syndrome?
Prader-Willi syndrome is caused by missing genes on chromosome 15, which affects hormone production in the hypothalamus.
The hypothalamus is the part of the brain that regulates how we grow and how much we eat.
What are the symptoms of Prader-Willi syndrome?
The symptoms of Prader-Willi syndrome are:
- An uncontrollable appetite, leading to excessive weight gain
- Restricted, or slow growth
- Weak muscles causing floppy arms and legs
- Learning difficulties
- Problems with sexual development
- Difficulty controlling emotions and behaviour