Jerome Lisk is a neurologist.

Falls, syncope, and the orthostatic hypotension we miss

Physician
July 1, 2026

Last week a patient came in after his third ER visit in four months. Dizziness, near-syncope, and two falls. He has Parkinson’s disease and has been on carbidopa-levodopa for six years. His blood pressure in my office was 128/82 sitting. Completely normal.

That number told me almost nothing.

What I needed was his blood pressure lying down and again after standing for three minutes. I needed the reading he took at home …

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Falls, syncope, and the orthostatic hypotension we miss

Coprolalia and Tourette syndrome: Understanding involuntary vocal tics

Conditions and Diseases
March 30, 2026

When actor John Davidson, who has Tourette’s syndrome, reportedly uttered a racial slur during the British Academy of Film and Television Arts (BAFTA) ceremony, the public reaction was swift and emotionally charged. For many people, the involuntary outburst reflected true feelings or a subconscious racial bias. However, that is not the case with certain forms of Tourette’s.

Coprolalia, the involuntary expression of socially inappropriate or taboo words, is among the most …

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Coprolalia and Tourette syndrome: Understanding involuntary vocal tics

Atypical Parkinson disorders vs. Parkinson disease: key differences

Conditions and Diseases
March 27, 2026

The terms parkinsonism, Parkinson disorder, and Parkinson syndrome are all synonymous and can be used interchangeably depending on which you prefer. All of these terms refer to the symptoms. To be diagnosed with a Parkinson disorder, you must exhibit two out of three of the following motor symptoms:

  • unilateral resting tremor
  • slowness of movement (bradykinesia)
  • muscle rigidity or stiffness (cogwheel rigidity)

This is with or without postural instability, which usually refers …

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Atypical Parkinson disorders vs. Parkinson disease: key differences