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 is a substance that can harm or even kill you. Arsenic and cyanide are both types of poisonâso stay away from them! Mean people can also be poison, so stay away from them too. Poison refers to the harmful substance itself, or the act of giving it to someone. Poison often shows up in murder mysteries because itâs a sneaky way to get rid of someone. We also use poison metaphorically for things that tend to ruin something. A really obnoxious friend who always insists that he knows more than everyone else might poison the atmosphere at a dinner party. Jealousy can poison a good relationship.