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.
Largest empires by land areaEdit. For context, note that the total land area of the Earth is 148,940,000 km2 (57,500,000 sq mi). This is a list of empires whose greatest extent exceeded 2% of that area.