Levodopa and Carbidopa

The Parkinson's-Reversing Breakthrough

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Levodopa (L-DOPA), the most reliable and effective drug used in the treatment of parkinsonism, can be con sidered a form of replacement therapy. Levodopa is the biochemical precursor of dopamine (Fig. 31.2). It is used to elevate dopamine levels in the neostriatum of parkin-sonian patients. Dopamine itself does not cross the blood-brain barrier and therefore has no CNS effects. However, levodopa, as an amino acid, is transported into the brain by amino acid transport systems, where it

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Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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