She wrote: Hey, Im suffering with chronic pain, a neurological disease, ehlers danlos and I just wanted to say to those of you suffering from pain, whether physical or emotional, I love you, keep going.
What is Ehlers Danlos?
Ehlers-Danlos syndromes (EDS) are a group of rare inherited conditions that affect connective tissues.
Symptoms can include loose joints, joint pain, abnormal scar formation and skin hyper-elasticity (very stretchy skin).
The Genetics Home Reference (GHR) reports that the syndromes are quite rare, affecting about 1 in 5000 individuals worldwide.
There is currently no known cure, although sufferers can benefit from various types of therapy and advice.
For more information on the condition and treatment visit the NHS website.
Pop star Sia is always frank and open with her fans, so its no surprise shes letting people in on her health battles.
Last year she took to Twitter to celebrate her eighth year being sober.
She previously spoke about becoming an addict, which led to her hit single Chandelier being written but impacted on her mental and physical health.
She told Billboard in 2013, I got seriously addicted to Vicodin and Oxycodone, and I was alwRead More – Source