Rory McIlroy withdrew from the third round of the Arnold Palmer Invitational on Saturday when he felt muscle spasms in his ...

Rory McIlroy withdrew from the third round of the Arnold Palmer Invitational on Saturday when he felt muscle spasms in his ...

Stiff-person syndrome is a rare autoimmune neurological disorder that causes muscle stiffness and painful spasms. Experts explain symptoms, triggers, diagnosis delays and treatment options.

Preparation for Masters defence next month has been disrupted after late decision to pull out at Bay Hill.

An optometrist explains what causes that irritating eyelid flutter, and the warning signs you shouldn't ignore ...

Stiff person syndrome is a rare autoimmune neurological disorder that is more common in women. Celine Dion has been diagnosed with the condition.

Rory McIlroy's Saturday at Bay Hill ended before it began. The Northern Irishman withdrew from the Arnold Palmer Invitational ...

Coat hanger pain is often linked to autonomic nervous system disorders that affect blood flow and pressure. Changing positions and staying hydrated can help relieve coat hanger pain at home. It's ...

Rory McIlroy breaks silence on what led him to suddenly withdraw from the Arnold Palmer Invitational on Saturday.