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Is Chewing Gum Bad?

The debate surrounding the effects of gum chewing on oral health has long been a topic of interest and concern. While some argue it can contribute to dental problems, others advocate its potential benefits. Rest assured, gum-lovers! Research confirms its ingredients are safe to swallow, and the act of chewing can even bring unexpected health benefits. Learn more about it below, and let us know what you think! At Monmouth Dental Arts, we add the caveat that if you experience any jaw pain, take a break and do mention it to us on your next visit!

People have been chewing gum in various forms for thousands of years.

The first gums were made from the sap of trees, such as spruce or Manilkara chicle.However, most modern chewing gums are made from synthetic rubbers.

This article explores the health benefits and potential risks of chewing gum.

What is chewing gum?

Chewing gum is a soft, rubbery substance that’s designed to be chewed but not swallowed.

Recipes can vary among brands, but all chewing gums have the following basic ingredients:

  1. Gum. This is the nondigestible, rubbery base used to give gum its chewy quality.
  2. Resin: This is usually added to strengthen gum and hold it together.
  3. Fillers. Fillers, such as calcium carbonate or talc, are used to give gum texture.
  4. Preservatives. These are added to extend shelf life. The most popular choice is an organic compound called butylated hydroxytoluene (BHT).
  5. Softeners. These are used to retain moisture and prevent the gum from hardening. They can include waxes like paraffin or vegetable oils.
  6. Sweeteners. Cane sugar, beet sugar, and corn syrup are popular sweeteners. Sugar-free gums use sugar alcohols such as xylitol or artificial sweeteners such as aspartame.
  7. Flavorings. Natural or synthetic flavorings are added to give gum the desired taste.

Most chewing gum manufacturers keep their exact recipes a secret. They often refer to their specific combination of gum, resin, filler, softeners, and antioxidants as their “gum base.”

All ingredients used in the processing of chewing gum have to be “food grade” and classified as fit for human consumption.

Are the ingredients in chewing gum safe?

In general, chewing gum is considered safe. However, some types of chewing gum contain small amounts of controversial ingredients.Even in these cases, the amounts are generally much lower than the amounts considered to cause harm.

Butylated hydroxytoluene (BHT)

BHT is an antioxidant that’s added to many processed foods as a preservative. It stops food from going bad by preventing fats from becoming rancid.

Its use is controversial, as some animal studies suggest that high doses can cause cancer. 

However, the results are mixed, and other studies haven’t found this effect (1, 2).

Overall, there are very few human studies, so BHT’s effects on people are relatively unknown.

However, a Dutch study from 2000 assessed the connection between BHT and stomach cancer and found that men and women who consumed BHT in usual amounts had no increased risk.

Both the FDA and the EFSA have deemed BHT generally safe in low doses of around 0.11 mg per pound of body weight (0.25 mg per kg) (4).

It appears that most people consume far less than this recommended level. One study that analyzed urine samples from multiple countries estimated that the average daily intake of BHT in adults was only 0.21–31.3 micrograms per kg of body weight (5).

Titanium dioxide

Titanium dioxide is a common food additive used to whiten products and give them a smooth texture.

Some older animal studies have linked very high doses of titanium dioxide with nervous system and organ damage in rats (6, 7).

Inflammation, oxidative stress, and cancer have also been observed in studies that have treated rats with titanium dioxide (8).

Research has yet to determine the amount of titanium dioxide that might be harmful in humans.
At the moment, the amount and type of titanium dioxide people are exposed to in food is generally considered safe. Nevertheless, more research is needed to determine the safe consumption limit (9, 10, 11).

Aspartame

Aspartame is an artificial sweetener commonly found in sugar-free foods.

It’s highly controversial and has been claimed to cause a range of conditions, from headaches to obesity to cancer.

Animal studies have suggested that aspartame is a chemical carcinogen in rodents and that prenatal exposure to aspartame increases cancer risk in rodent offspring (12).

However, the possible connection between aspartame and obesity needs to be further studied (13, 14).

According to the FDA, consuming amounts of aspartame that are within the daily intake recommendations isn’t thought to be harmful (15).

However, people who have a rare hereditary condition known as phenylketonuria should limit their consumption of phenylalanine, which is a component of aspartame (15).

Color additives

Synthetic food colorings such as Red Dye 40, Yellow 5, Yellow 6, and Blue 1 have been linked to health issues. However, the FDA has approved these dyes, stating that while most children consume these additives with no adverse effects, some may show sensitivity to them (16, 17).

Chewing gum often contains titanium dioxide, which adds a shiny finish to added colors, which may include the above-mentioned synthetic colors and more (17).

Titanium dioxide, Red 3 and Green 3 are banned in the European Union, but not in the US. Red 40 Yellow 5 and Yellow 6 must contain a warning in the EU stating that they may have adverse effects on activity and attention in children (18, 19).
California will ban Red Dye 3 along with some other food additives beginning 2027 (20).

Chewing gum can reduce stress and boost memory

Studies have found that chewing gum while performing tasks can improve various aspects of brain function, including alertness, memory, understanding, and decision making (21, 22, 23, 24, 25).

One randomized controlled trial found that students who chewed gum over a period of 7 or 19 days had reduced scores for depression, anxiety, and stress compared to those who did not. Those who chewed gum also achieved greater academic success.

Interestingly, some studies have found that chewing gum during tasks may be a bit of a distraction at the start but could help you focus for longer periods.

Other studies have found benefits during only the first 15–20 minutes of a task.

Experts don’t fully understand how chewing gum improves memory. One theory is that this improvement is due to increased blood flow to the brain caused by chewing gum.

Studies have also found that chewing gum may reduce stress and increase feelings of alertness.

In a small 2012 study in university students, chewing gum for 2 weeks decreased participants’ feelings of stress, particularly in relation to academic workload.

This could be due to the act of chewing, which has been linked to reduced levels of stress hormones such as cortisol.

The benefits of chewing gum on memory have been shown to last only while you’re chewing the gum. However, habitual gum chewers may benefit from feeling more alert and less stressed throughout the day.

Chewing gum could help you lose weight

Chewing gum could be a helpful tool for those trying to lose weight.

This is because it’s both sweet and low in calories, giving you a sweet taste without negatively affecting your diet.

Some research also suggests that chewing gum could reduce your appetite, which could prevent you from overeating.

One small study found that chewing gum between meals decreased feelings of hunger and reduced intake of high carb snacks in the afternoon.

The results of another small study suggest that chewing gum while walking could help burn more calories.

However, the overall results are mixed. Some studies have reported that chewing gum does not affect appetite or energy intake over the course of a day.

One study even found that people who chewed gum were less likely to snack on fruit. However, this may be because the participants were chewing minty gum before eating, which made the fruit taste bad.

Interestingly, there is also some evidence that chewing gum may increase your metabolic rate.

However, more research is needed to determine whether chewing gum leads to a difference in weight over the long term.

Chewing gum could help protect your teeth and reduce bad breath

Chewing sugar-free gum could help protect your teeth from cavities.

It’s better for your teeth than regular, sugar-sweetened gum. This is because sugar feeds the “bad” bacteria in your mouth, which can damage your teeth.

However, some sugar-free gums are better than others when it comes to your dental health.

Studies have found that chewing gums sweetened with the sugar alcohol xylitol are more effective than other sugar-free gums at preventing tooth decay.

This is because xylitol prevents the growth of the bacteria that cause tooth decay and bad breath.

In fact, one study found that chewing xylitol-sweetened gum reduced the amount of bad bacteria in the mouth by up to 75%.

Furthermore, chewing gum after a meal increases saliva flow. This helps wash away harmful sugars and food debris, both of which feed bacteria in your mouth.

Are there any side effects of chewing gum?

While chewing gum has some potential benefits, chewing too much gum could cause some unwanted side effects.

Sugar-free gums contain laxatives and FODMAPs

The sugar alcohols used to sweeten sugar-free gum have a laxative effect when consumed in large amounts. This means that chewing lots of sugar-free gum could cause digestive distress and diarrhea.

Additionally, all sugar alcohols are FODMAPs, which can cause digestive problems for people with irritable bowel syndrome (IBS).

Sugar-sweetened gum is bad for your dental and metabolic health

Chewing gum sweetened with sugar is really bad for your teeth. This is because sugar is digested by the bad bacteria in your mouth, causing an increase in the amount of plaque on your teeth and tooth decay over time.

Eating too much sugar is also associated with a number of health conditions such as obesity, insulin resistance, and diabetes.

Chewing gum too often could cause problems with your jaw

Constant chewing could lead to a jaw problem called temporomandibular disorder (TMD), which causes pain when you chew. Although this condition is rare, some studies have found a link between excessive chewing and TMD.

Chewing gum has been linked to headaches

One research review suggests that regularly chewing gum may trigger headaches in people prone to migraine episodes and tension-type headaches. More research is needed, but the researchers suggested that people who experience migraine might want to limit their gum chewing.

Which chewing gum should you choose?

If you like chewing gum, it’s best to choose a sugar-free gum made with xylitol.The main exception to this rule is for people with IBS. Sugar-free gum contains FODMAPs, which can cause digestive problems in people with IBS.

Those who can’t tolerate FODMAPs should choose a gum sweetened with a low calorie sweetener such as stevia.

Make sure to read the ingredient list on your gum to confirm that it doesn’t contain any ingredients you have an intolerance to. Check in with a dentist or dietitian for help deciding which type of gum is best for you.

The bottom line

The ingredients in chewing gum have been established as safe for humans to consume. In fact, the act of chewing may have surprising benefits for mental and physical health!

However, some people may find that they experience adverse side effects, such as jaw pain or headaches, from chewing gum. If you know this habit causes you problems, it’s best to limit your chewing. Otherwise, a stick or two of gum between meals isn’t a bad idea.

Smile Brighter, Live Lighter: Schedule your next checkup and cleaning to maintain your dental health and prevent future problems.  Call us today at 732-686-6337. Check more tips on our IG @monmouth_dental_arts

Reference:https://www.healthline.com/nutrition/chewing-gum-good-or-bad

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