Use of metformin is not associated with insomnia. In addition, a long-term study of people with Type 2 diabetes treated soon after diagnosis with metformin showed a lowered risk of death, heart attack, and vascular problems; whether these benefits extend to everyone who takes it is not known. 5. TRUE.
Afro-Eurasia is the largest land mass on Earth. It is the combine super continent of Asia, Africa, and Europe.
The largest areas on Earth that fit this definition are the polar regions. Antarctica has a surface area of about 14 million square kilometers (5.5 million square miles), making it the largest desert in the world. But we are looking for sand dune type deserts and sand covers only about 20 percent of World's deserts.