Modern Diet Bad in Many Ways
- Posted on: Feb 27 2013
We keep learning more about how the modern diet we eat today is not particularly healthy. Weight gain, increased cases of heart disease and diabetes are all linked to a poor diet. Now, a study of the evolution of our teeth over the past 7,500 years has shown that our modern diet is also bad for our teeth. Humans today have fewer types of oral bacteria than our ancestors did and scientists believe that this contributes to the large number of cases of dental decay and gum disease. Today dental decay is the number one disease affecting our children.
The study which was published in Nature Genetics, analyzed the DNA of calcified bacteria found on the teeth of humans throughout ancient times to present. The researchers from the University of Adelaide and the University of Aberdeen said the research “has shed light on the health consequences of the evolving diet and behavior from the Stone Age to modern day.” The researchers explained that oral bacteria changed as human diets altered when early humans moved from being hunter-gatherers to farmers.
Even more changes were discovered when humans started manufacturing food during the Industrial Revolution. “This is the first record of how our evolution over the last 7500 years has impacted the bacteria we carry with us, and the important health consequences,” said study author Dr. Alan Cooper. He continued “The composition of oral bacteria changed markedly with the introduction of farming, and again around 150 years ago. With the introduction of processed sugar and flour in the Industrial Revolution, we can see a dramatically decreased diversity in our oral bacteria, allowing domination by caries-causing strains. The modern mouth basically exists in a permanent disease state.”
Most people think that fewer types of bacteria in your mouth would be something to cheer about. But there are good bacteria and bad bacteria that live in our bodies and, unfortunately, the modern diet has wiped out some of the good-guy oral bacteria and left the cavity causing types to thrive
Good oral health care can reduce the risk of dental decay. Brushing and flossing, every day, plus regular visits to the dental hygienist for professional cleanings can help keep teeth and gums healthy. Dental sealants can also be used to help prevent cavities on the biting surfaces of teeth.
Find out more about preventing cavities by contacting Asheville cosmetic dentist Dr. John Highsmith today at 828-627-9282.