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The broadcaster, who recently announced her departure from BBC Radio 2's breakfast show, said she has TMJ - which stands for temporomandibular joint.

Altered neck muscles and poor posture also can strain jaw joints and muscles, creating temporomandibular joint pain.

And it often goes hand in hand with temporomandibular joint disorders, which cause pain around the jaw.

You may also wake up with soreness in your temporomandibular joint, which is where your jaw bone connects with your skull, and surrounding muscles.

These included teeth grinding, cracked and chipped teeth and symptoms of temporomandibular joint dysfunction, like jaw pain.