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.
One of the largest atolls in the world, Rangiroa consists of about 415 tiny islets and sandbars comprising a total land area of about 170 sq km (65 sq mi). In the center of the atoll, there is a large lagoon where black pearl oysters are bred.