Mystery Condition Makes Brothers Collapse at Sunset

solar – adj. relating to or determined by the sun

vegetative – adj. a state in which a person loses cognitive ability

grace – n. a virtue coming from god

conduct – v. to organize and carry out

sample – n. a small amount of something given for trying or testing

paralyzed – adj. when a person or part of the body is partly or fully not able to move

neurotransmitter – n. a substance in the body that carries a signal from one nerve cell to another

imbalance – n. a lack of proportion or relation between two things