There are several types of Parkinson's disease, and while no scientific research has proven that any of there types are hereditary, there have been a very few extreme scenarios where it appears to run in the family.
It is also thought that although it isn't hereditary, some people may have genes that increase the possibility of Parkinson's. But people who have these genes would also have to combine other factors like environmental toxins and viruses.
What is Parkinson's?
Well, it's a bit of an umbrella term that can mean several different things. The main symptoms between all people with Parkinson's is noticeable hand-trembling and slowness of movement.
If you're worried that you might be at risk of developing Parkinson's because someone in your family also suffers from the disease, it's best to to speak to a medical professional.
They'll be able to give you some advice on the early signs to look out for, which includes things like:
- Your handwriting getting smaller than it used to be
- Loss of smell
- Your voice sounding hoarse or weak
Who else has it?
Yup, even Billy Connolly has Parkinson's. Scotland's prized comedian is now 71, and it's been one year since he was told he had the disease. He seems to be as active as ever though!
The famous American-boxer Muhammad Ali also has Parkinson's. He's currently 72-years-old.