Ask Dr. K: Treatment possible for Parkinson’s

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Dr. Komaroff

Dear Dr. K: My husband was just diagnosed with Parkinson's disease. Can you discuss it in your column? I don't know anything about it.

Dear Reader: Parkinson's disease is a disease of the central nervous system. It causes problems with body motions and movement. PD worsens over time.

Brain cells "talk" to each other by making and releasing chemicals called neurotransmitters. When one cell releases a neurotransmitter, another picks up the signal. One type of neurotransmitter is dopamine.

Dopamine is made in an area deep in the brain called the basal ganglia. That is also where movements are coordinated. The dopamine made by cells in the basal ganglia is necessary for the basal ganglia to function properly.

PD develops when dopamine-producing nerve cells (neurons) in the brain die and not enough dopamine is produced. This affects movement. (I've put an illustration of this process on my website, AskDoctorK.com.)

PD usually begins as a slight tremor or stiffness that is most obvious at rest. When the hands of a PD sufferer are resting in his lap, they may tremble. But when he reaches for a cup of coffee, for instance, his hands may stop trembling.

As the illness worsens, tremors become more widespread. PD also causes rigidity and a slowing of body movements. A person's face slowly becomes expressionless. Initiating a movement, like sitting up from a chair, may take many seconds to start. A person walks slowly, with

If your husband's PD gets much worse, he will likely have difficulty walking and performing daily activities such as dressing or using utensils. But in some people PD progresses very slowly.

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Ask Dr. K: Treatment possible for Parkinson's