In 2008, for example, researchers reported in the journal Cell that lithium interrupts the activity of a receptor for the neurotransmitter dopamine. It also appears to plump up brain volume, according to a 2011 study in the journal Biological Psychiatry (though this research is hotly contested).
Poison ivy produces an oily chemical (urushiol) onto the surface of its leaves. When people come in contact with poison ivy, the urushiol can cause an allergic skin reaction that produces reddish, itchy, and painful inflammation of the skin (dermatitis). Close relatives of poison ivy plants that produce similar dermatitis symptoms are poison oak and poison sumac.
How to treat poison ivy: Poison Ivy, Toxicodendron radicans, is a plant that grows in North America that causes a skin rash in most people who come in contact with it.It usually grows in the form of a vine or small shrub.ow to treat poison ivy: Poison Ivy, Toxicodendron radicans, is a plant that grows in North America that causes a skin rash in most people who come in contact with it.