Because Parkinsonâs disease symptoms are due to a deficiency of the brain chemical dopamine, the main drug treatments help increase dopamine levels in the brain. Levadopa, usually combined with carbidopa, is the standard drug treatment.
Here are all the possible meanings and translations of the word poison-ivy. Wiktionary(0.00 / 0 votes)Rate this definition: poison-ivy(Noun) A woody vine plant in the family Anacardiaceae well-known for its ability to produce urushiol, a skin irritant that causes an itching rash for most people.
Poison Ivy, Oak and Sumac Guide. Poison ivy, oak and sumac, Poison ivy, oak, or sumac is found in every state except Alaska and Hawaii, with Nevada having some poison ivy along itâs eastern border with Utah and Idaho having poison ivy along itâs western border with Oregon. All three species and their sub species of plants are very hardy and adaptable.