By DUM-SUKA, Barilee Josiah
For: Emerald Initiative for Humanity
Have you ever believed that cracking your knuckles would give you arthritis, or that you must drink eight glasses of water a day to stay healthy? You’re not alone. For years, myths like these have spread quietly from one generation to another, shaping the way people live and make decisions about their health. Sadly, while some of these beliefs may seem harmless, others can lead to poor health choices and unnecessary fear.
In today’s world, where health information is everywhere — from social media posts to family advice — it’s important to separate fact from fiction. As medical professionals, we've seen firsthand how dangerous some health myths can be when left uncorrected. In this article, we’ll address some of the most common health myths, backed by sound medical evidence, and explain why it’s time to leave them behind.
1. Myth: Cracking Your Knuckles Causes Arthritis
This is one of the most widespread health beliefs, especially among older generations. People often say that cracking your knuckles will lead to arthritis later in life. The truth? Medical research has shown no link between knuckle cracking and arthritis. The sound you hear is caused by bubbles bursting in the joint fluid, not damage to the bones or cartilage. While excessive cracking might cause temporary discomfort or swelling, it does not cause arthritis.
2. Myth: You Must Drink Eight Glasses of Water Daily
Many people live by this “eight glasses a day” rule without knowing its origin. In reality, individual water needs vary based on age, weight, activity level, and the climate you live in. The body’s natural thirst mechanism is quite reliable, and forcing yourself to drink excess water can sometimes lead to a condition called hyponatremia, where sodium levels in the blood become dangerously low. It’s more sensible to drink when you’re thirsty and pay attention to signs of dehydration like dry lips, dizziness, or dark-colored urine.
3. Myth: Cold Weather Causes Colds
It’s a long-held belief that stepping out in cold weather without a jacket or sleeping in a draft will make you catch a cold. However, colds are caused by viruses, not the weather itself. While cold temperatures may weaken your immune defenses slightly and encourage people to stay indoors (where germs spread more easily), exposure to cold air alone won’t make you sick. Regular handwashing and avoiding close contact with sick individuals remain the best defenses against colds and flu.
4. Myth: You Should Starve a Fever and Feed a Cold
This age-old advice has been passed down for centuries, but it lacks scientific support. The truth is, whether you have a fever or a cold, your body needs nourishment and fluids to fight infection and recover. Starving yourself can weaken your immune response. While heavy meals might not be ideal during illness, light, balanced meals, plenty of fluids, and rest are recommended for both fevers and colds.
5. Myth: Natural Remedies Are Always Safe Because They're 'Natural'
The word “natural” often carries a sense of safety and purity, but not everything natural is harmless. Many natural substances can interact with medications, cause allergic reactions, or have toxic effects. For example, some herbal supplements can interfere with blood pressure or blood-thinning medications. It’s essential to consult a healthcare professional before using any herbal or natural product, especially if you’re on other medications or managing a chronic illness.
6. Myth: You Only Need Sunscreen on Sunny Days
One of the more overlooked myths is that sunscreen is unnecessary on cloudy days. In reality, up to 80% of the sun’s harmful ultraviolet (UV) rays can penetrate clouds. This exposure accumulates over time, increasing the risk of premature skin aging and skin cancer. Medical experts recommend wearing sunscreen daily, regardless of the weather, especially if you spend extended periods outdoors.
Why Debunking Health Myths Matters
Believing in unproven health myths may seem harmless, but it can lead to poor medical decisions, delay proper treatment, and even endanger lives. Misinformation spreads quickly, especially through social media and word of mouth. By learning the facts and consulting reliable medical sources, individuals can make informed choices about their health.
As medical experts, part of EIFH duty is to educate the public and correct long-standing misconceptions. Health is too important to leave in the hands of old wives' tales.
Final Thoughts
In a world full of endless health tips, it's wise to be cautious about where you get your information. Not every common saying or popular advice has a scientific foundation. Always cross-check health information with trusted sources and seek medical advice when in doubt.
Your health is your most valuable asset — guard it with facts, not myths.
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