There are a lot of myths floating around about digestion and its effects on our bodies. Honestly, many of these beliefs are quite far from reality. So, let's take a moment to explore some of the most common myths and uncover the truths behind them.
Myth 1: Gum Takes 7 Years to Digest
People often say that gum stays in your stomach for seven years if swallowed, but that's just not true. Sure, gum isn't digested like regular food, but it passes through your system just like everything else you eat — through your normal bowel movements. In fact, the digestive system is quite efficient at moving substances along, with most food items passing through the gastrointestinal tract within 24 to 72 hours.
Myth 2: Spicy Foods Cause Stomach Ulcers
It's a common misconception that spicy food leads to ulcers. Actually, ulcers are usually caused by infections from Helicobacter pylori or from the use of nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen or aspirin. While spicy foods might aggravate existing ulcers, they don't create them. According to recent studies, lifestyle factors, including diet, can influence ulcer risk but are not direct causes of ulcer formation [5].
Myth 3: Beans Cause the Most Gas
Beans have a reputation for causing gas, but they're not the sole culprits. In fact, irregular eating habits and high dairy consumption can also lead to bloating. As people age, their bodies often struggle to digest lactose, which is found in dairy products, and that can cause gas, too. Notably, lactose intolerance affects a significant portion of the population, particularly in older adults, leading to symptoms like bloating and gas when dairy is consumed [1].
Myth 4: Lactose Intolerant Individuals Can't Have Any Dairy
This is a bit of a blanket statement. Some people with lactose intolerance can handle small amounts of dairy without any issues, while others might react badly to even a small glass of milk. It really varies from person to person based on their level of intolerance. Recent research indicates that many individuals can tolerate low-lactose dairy products or fermented dairy like yogurt, which may contain beneficial bacteria that aid digestion [2].
Myth 5: Smoking Reduces Heartburn
This is simply not true. In fact, smoking tends to exacerbate heartburn rather than providing any relief. The chemicals in cigarettes can weaken the lower esophageal sphincter, which can increase the likelihood of acid reflux and heartburn symptoms.
Myth 6: Aging Causes Constipation
While constipation is more common in older adults, it's not caused by aging itself. Instead, it's often a side effect of various medications that older individuals take for other health issues, which can impact digestive function. Additionally, lifestyle changes such as decreased physical activity and dietary modifications can contribute to constipation in this age group [3].
Myth 7: Stress Causes Inflammatory Bowel Disease (IBD)
IBD is actually linked to inflammation in the intestines, often due to infections or immune responses. Stress might contribute to digestive discomfort and exacerbate symptoms in individuals with existing IBD, but it's not a direct cause of the disease. Research suggests that while stress can influence the course of IBD, the underlying causes are primarily related to genetic and environmental factors [4].
If you're curious about any of these myths or have other questions regarding digestion, consider reaching out for an online doctor consultation. With advancements like AI doctors and chat doctors, it's never been easier to talk to a doctor online whenever you need personalized advice.
References:
- Margherita Di Costanzo, Giacomo Biasucci, Ylenia Maddalena, Carmen Di Scala, Carmen De Caro, Antonio Calignano, Roberto Berni Canani. Lactose Intolerance in Pediatric Patients and Common Misunderstandings About Cow's Milk Allergy.. PubMed. 2021.
- Julia Leszkowicz, Katarzyna Plata-Nazar, Agnieszka Szlagatys-Sidorkiewicz. Can Lactose Intolerance Be a Cause of Constipation? A Narrative Review.. PubMed. 2022.
- Mohammed Attieh Alzahrani, Saad Khaled AlGhrab, Mohammed Yahya Althwabi, Abdulaziz Abdullah Sudan, Nasser Saeed Jurays, Fahad Abdullah Alalyani, Saud Abdullah Bin Fudhayl, Mohammed Abdullah Alfahadi, Yahia Mohammed Asiri, Abdulaziz Saad Alshahrani. Awareness of Lactose Intolerance Disorder in Saudi Arabia Population.. PubMed. 2022.
- Péter Varjú, Birgit Ystad, Noémi Gede, Péter Hegyi, Dániel Pécsi, József Czimmer. The role of small intestinal bacterial overgrowth and false positive diagnosis of lactose intolerance in southwest Hungary-A retrospective observational study.. PubMed. 2020.
- T Di Rienzo, G D'Angelo, F D'Aversa, M C Campanale, V Cesario, M Montalto, A Gasbarrini, V Ojetti. Lactose intolerance: from diagnosis to correct management.. PubMed. 2013.