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We owe our lives to our immune systems – without it, even the most minor of sniffles could be fatal. But the immune system makes mistakes too, with the results ranging from allergies to multiple sclerosis. Now, researchers at the University of Toronto have found that cavities might also be collateral damage from an overzealous immune system.

Although it's important, many people are guilty of putting off going to the dentist. In a recent poll, 58% of Americans say they visit the dentist at least once a year. Despite your procrastination, your body could be telling you that you need to go now, and you might not even notice the warning signs.

There are many causes of bad breath, also called halitosis. Your mouth may be the source. The breakdown of food particles and other debris by bacteria in and around your teeth can cause a foul odour. If your mouth becomes dry, such as during sleep or after smoking, dead cells can accumulate and decompose on your tongue, gums and cheeks, causing odour.

A take on metal free Dentistry by Dr. Grace

• Maintaining your teeth can be expensive and it also can take a fair bit of effort
• While you might be doing all the suggested things, you can still damage teeth
• This can happen through nail-biting, exercising and rinsing after you brush