As of 2015, Nigeria is the world's 20th largest economy, worth more than $500 billion and $1 trillion in terms of nominal GDP and purchasing power parity respectively.
In healthy people, eating as much as one egg per day doesn't increase the risk of heart disease or stroke, according to a review article published in the British Medical Journal in 2013. People with diabetes, however, may experience an increased risk at this consumption level.
I guess a lot of it has to do with cholesterol. A large egg contains about 185 mg of cholesterol. And since the American Heart Association (AHA) recommends a limit of 300 mg per day, eat two eggs and you've exceeded that limit.