Leonardo da Vinci is the most notable of artist that existed during the Renaissance. Other than being a painter and a sculptor, Leonardo contributed to the society at his time as an architect, inventor and a chronicler of science. The artist was b...Leonardo-Da-Vinci …

Smoking is the number one cause of death in the United States and other developed countries due to the effects of the highly addictive nicotine that cigarettes contain. Cigarettes are responsible for causing a variety of diseases ranging from lung...How-Does-Smoking/Nicotine-Affect-Appetite? …

Communicable diseases are also called infectious or transmissible diseases. They are primarily illnesses resulting from infection, presence and also the growth of disease-causing biologic agents in a person or even other hosts such as animals. Som...Communicable-illnesses-and-their-control …