People should speak with their dentist if they have any concerns about using mouthwashes that contain alcohol, the Ministry of Health says.
"Don't worry, be happy," American singer Bobby McFerrin warbled in 1988.
Dental health authorities in New Zealand are suggesting caution over the long-term use of mouthwashes containing alcohol following claims of a link with oral cancer.
Sports people beware - that post match beer could cost you the next match.
The Medical Council has begun consultation over a plan to introduce a peer review system for doctors.
Some New Zealanders who drink and smoke a lot do not realise they are increasing their chance of getting cancer, a global survey has found.
The Government's recent decision to allow the sale of fat-laden pies and sausage rolls, and sugar-filled drinks in schools is sending the wrong message to children and parents, says health researcher Caroline Shaw.
People who try or use drugs do so for the first time between the ages of 16 and 30, research has found.
A study of New Zealand children has produced the first scientific evidence that children showing symptoms of obsessive-compulsive behaviour risk developing the full-blown disorder when they grow up.
The nation's teeth are soon to be examined in a new survey.
Kids are eating too much sugar and salt for breakfast and parents should encourage better food choices, the Heart Foundation says.
A New Zealand-led international study has found a common bacteria is often the cause of the potentially fatal heart disease infective endocarditis (IE).
Government funding has been approved for a new once a day, non-stimulant treatment for behavioural problems in children.
Pacific people in New Zealand can't always afford to eat healthy food which could lower their high obesity rates, a report released today says.
Giving free emergency contraceptive pills to girls and women may have reduced the number of abortions performed, the Auckland District Health Board says.
Five thousand New Zealanders die each year from smoking, which is the equivalent to losing a town the size of Alexandra.
Smokers are being warned that all tobacco is deadly no matter how it is packaged.
Humans need to eat processed tomato products, such as tomato sauces, to get the most antioxidant benefits from tomatoes, new research has found.
Basic hygiene is the best protection people can adopt to protect themselves from influenza.
Boy racers could literally be driving the country mad from the noise their cars create, according to a survey by the National Foundation for the Deaf.