Avoid long-term use in people who have or are at risk of lung problems, such as asthma or byssinosis (a disease caused by breathing dust). Marijuana may cause bronchitis, coughing, lung cysts, phlegm, reduced lung density, and wheezing.
Best Answer: A compound is something made up of elements (ie not one pure element). The word compound means something made of a combination of things - like a compound sentence or a military compound (made up of several buildings). Elements are the basic substances that make up the universe and cannot be broken down into different substances. Compounds are composed of two or more elements that have bonded to form one substance In short: Elements - cannot be broken down and bond to form compounds Compounds - two or more elements that have bonded to form a unique substance
Elements and compounds. All matter is made from atoms. Atoms are very, very small. A molecule is formed when atoms join together by chemical bonds. There are over a hundred different types of atom, called elements.o chemical process can break it down into a different substance. Compounds are substances that contain atoms of at least two elements chemically combined. For example: magnesium oxide consists of magnesium atoms and oxygen atoms chemically bonded together.