Mad Men star January Jones is battling a secret health disorder — and slammed her family for their lack of compassion.

RadarOnline.com can reveal the actress is suffering from the neurological disability misophonia, which causes extreme discomfort in response to certain sounds. Article continues below advertisement

Secret Trauma Tap Here To Add Radar Online as A Trusted Source Article continues below advertisement

And she called out her brother-in-law for treating her condition as a "joke" by accusing him of deliberately crunching chips in her vicinity.

Speaking in a video she posted on Instagram , Jones, 47, said: "For today, I'd like to talk about something that I've been struggling with my whole life, which is called misophonia.

"And it's gotten progressively worse ov

See Full Page