Strange but True: Health Myths That Actually Have a Kernel of Truth

valiantsin suprunovich / shutterstock.com
valiantsin suprunovich / shutterstock.com

Health advice is often a mix of folklore, science, and outright fiction. We’ve all heard bizarre claims like “eating carrots improves your eyesight” or “cracking your knuckles causes arthritis.” While some of these sound downright ridiculous, a surprising number of them contain a grain of truth. Let’s dive into some common health myths, separating fact from fiction while uncovering the truth behind the weird advice we’ve all been told.

1. “Eating Carrots Will Improve Your Eyesight”
We’ve all heard that munching on carrots will give you eagle-like vision. While they won’t grant you superhuman sight, carrots are rich in beta-carotene, which your body converts to vitamin A—a nutrient essential for maintaining healthy eyes. Vitamin A deficiency can lead to night blindness, so while carrots might not improve 20/20 vision, they do support overall eye health.

2. “Feed a Cold, Starve a Fever”
This age-old advice has been debated for centuries. While starving yourself is never a good idea, the saying does contain a nugget of wisdom. When you’re sick with a cold, your body needs energy to fight off the infection, so eating nutritious, comforting foods can help. During a fever, your metabolism speeds up, burning more calories, so staying hydrated and eating light meals is essential to maintain energy.

3. “An Apple a Day Keeps the Doctor Away”
This one isn’t entirely off base. Apples are packed with fiber, vitamins, and antioxidants, which promote overall health and may reduce the risk of chronic illnesses like heart disease. While they’re not a magic cure-all, regularly eating nutrient-rich foods like apples certainly contributes to a healthier lifestyle.

4. “Cracking Your Knuckles Causes Arthritis”
Here’s a favorite warning from concerned parents everywhere. While cracking your knuckles doesn’t cause arthritis, studies show that habitual knuckle crackers may experience reduced grip strength or slight joint swelling over time. The sound comes from gas bubbles in the joint fluid popping—not bones grinding—so it’s mostly harmless, but moderation is key.

5. “Chicken Soup is the Best Remedy for a Cold”
Grandma’s chicken soup isn’t just comforting—it has some scientific backing. Studies have shown that chicken soup can reduce inflammation in the respiratory system and improve hydration, both of which help alleviate cold symptoms. The warm broth soothes your throat, while the nutrients in the soup give your immune system a boost. It’s not a cure, but it’s a legitimate feel-better food.

6. “Swallowed Gum Stays in Your Stomach for Seven Years”
While it’s not true that gum stays in your stomach for seven years, it’s also not entirely digested like regular food. Gum passes through your digestive system largely intact and exits naturally. That said, swallowing large amounts of gum could cause blockages, so it’s best to spit it out.

7. “Drinking Warm Milk Helps You Sleep”
This bedtime remedy isn’t just an old wives’ tale. Milk contains tryptophan, an amino acid that helps produce serotonin and melatonin, both of which regulate sleep. While the amount of tryptophan in milk isn’t enough to knock you out, the comforting warmth and ritual of drinking it can help calm your mind and prepare you for rest.

8. “Wet Hair Will Make You Catch a Cold”
No, going outside with wet hair doesn’t directly cause colds. Colds are caused by viruses, not temperature. However, the myth has a sliver of truth: cold weather can weaken your immune system, making you more susceptible to viruses. So while wet hair won’t give you a cold, being exposed to chilly conditions might increase your risk.

9. “Chocolate Causes Acne”
This myth has haunted chocolate lovers for decades. While chocolate itself doesn’t directly cause acne, diets high in sugar and refined carbs can exacerbate breakouts. So, it’s not the chocolate but the sugar content in many chocolate products that may contribute to skin problems.

10. “You Lose Most of Your Body Heat Through Your Head”
This claim stems from military survival guides and holds some truth, but it’s not entirely accurate. You lose body heat through any exposed part of your body, and your head is often uncovered. So, while it’s not the primary heat-loss culprit, wearing a hat in cold weather can help you stay warm.

Why These Myths Matter
While some of these myths are exaggerated or misunderstood, they often contain useful insights about health and wellness. Exploring the truth behind these claims helps us make better choices while keeping things lighthearted and fun.