Many of us mark marriages and births, successes and celebrations by breaking out the bubbles. If the budget will allow, we drink not just any bubbly but the king of sparkling wines - champagne.
Professor Philippa Howden-Chapman and a team of researchers at the University of Otago, Wellington have confirmed what many have long suspected - that thousands of New Zealanders live in some of the coldest and most unhealthy houses in the developed world.