July 23, 2015 â Teens using marijuana for medical reasons are 10 times more likely to say they are hooked on marijuana than youth who get marijuana illegally, a new study shows. The study is the first to report on a ... Slow to Mature, Quick to Distract: ADHD Brain Study Finds Slower Development of Key Connections.
Define prehistoric. prehistoric synonyms, prehistoric pronunciation, prehistoric translation, English dictionary definition of prehistoric. also preÂ·hisÂ·torÂ·iÂ·cal adj. 1. Of, relating to, or belonging to the era before recorded history. 2. Of or relating to a language before it is first recorded...
Medieval means anything relating to the Middle Ages which describes Europe between 500 to around 1500 C.E. People also sometimes use the word medieval to talk about something that is very old. In... Medieval means anything relating to the Middle Ages which describes Europe between 500 to around 1500 C.E. People also sometimes use the word medieval to talk about something that is very old. In particular, the word is used to describe things that are so old that they are no longer appropriate for use in the current situation.