A person who is obsessed with healthy eating e.g. one who cuts salt and sugar intake, eats organic, avoids processed food and is scared of eating unhealthy.
I an such a health food freak, I am evenscared of hanging out with friends!
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".