We all have daily habits that we don’t think twice about, but some of them can actually do more harm than good. These habits may be part of your fitness or beauty routine, or they might even cause damage while you sleep. Whether it’s something simple like biting your nails or following an overly restrictive diet, let’s take a closer look at some of the most common health mistakes people make today.
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1. When you wake up can say a lot about your health.

We all know that sleep is essential for both our physical and mental health, but can too much of it be a problem? Regularly sleeping for more than 9 hours a night has been linked to weight issues and may even affect your heart health.
On a serious note, oversleeping can lead to health problems, and it could also be a sign of an underlying issue. So, if you constantly find yourself hitting the snooze button, it might be a good idea to check in with your doctor.
2. Ditch the night time pony.

While you might love a sleek ponytail, your scalp might prefer something a bit more relaxed. Tight hairstyles can pull on sensitive scalp nerves, sometimes even causing painful headaches.
To give your scalp a break, try loosening your hairstyle, using silk scrunchies, or opting for softer styles like braids or low, loose buns. Your hair—and your head—will thank you.
3. Your skin’s biggest enemy could be hidden under your nails.

If you think nail-biting is just a nervous habit, it’s time to realize that it can also lead to infections, chipped teeth, and even digestive issues. Nail-biting transfers germs from your hands to your face, increasing the risk of skin infections and even warts. While the goal is to keep our hands clean, that’s not always possible, so be mindful before touching your face.
Breaking the nail-biting habit takes time, but simple tricks, like keeping your nails trimmed, using bitter-tasting polish, or using a fidget toy when you’re anxious, can help.
4. There’s something to gain in gluten.
You shouldn’t eliminate gluten from your diet unless it’s necessary. It may not be as unhealthy as you think. Whole grains provide essential fiber, vitamins, and minerals—nutrients that many gluten-free diets lack.
What’s more, processed gluten-free products often contain extra sugar, salt, and unhealthy fats. Unless your doctor has advised you to remove or reduce gluten, it’s better to focus on maintaining a balanced diet instead.
5. Working your core might be ruining your back.

Sit-ups were once considered the gold standard for building strong abs, but now they’re seen as outdated and even risky. They place excessive strain on your lower back, which can lead to pain and imbalances. Exercise should be enjoyable and promote overall health, which is why many personal trainers have now removed sit-ups from their clients’ routines.

A better alternative is planks. They strengthen your core more effectively while keeping your spine in a neutral position. Plus, planks mimic real-life movements, reducing the risk of putting unnecessary pressure on your body.
6. A toothbrush mistake might wear you down.
Speaking of pressure, applying more force while brushing your teeth doesn’t lead to a cleaner smile. Too much pressure can wear down enamel, irritate your gums, and increase tooth sensitivity over time.
Stick to a soft-bristled brush, use gentle, circular motions, and let your toothpaste do the work. When it comes to oral health, finesse and consistency are far more effective than force.
For more useful day-to-day tips, check out these common mistakes people make when caring for their hygiene.