The acidity of the carbonated water softens the enamel of your teeth. Photograph: iStock

There’s still water, and then there’s seltzer or sparkling water. Crisp, bubbly and effervescent, carbonated water has become a daily ritual for (...)

The American Academy of Periodontology on Tuesday acknowledged that most of the current evidence on flossing fell short because researchers had not been able to include enough participants or ‘examine gum health over a significant amount of time’.  Photograph: Getty Images

For decades health authorities and dentists have insisted that daily flossing is necessary to prevent cavities and gums so diseased that your teeth fa(...)

Ballymore Eustace water treatment plant: decades of research says that fluoride at low concentrations has no ill-effects on human health. Photograph: Brian Lawless/PA

Anti-fluoride campaigners say that our water is being poisoned by a toxic and dangerous chemical. Ignorant or downright scheming scientists and jou(...)