The human body is a fascinating, wondrous amazing thing. We do a lot to them and expect a lot from them. So it seems only fair that when our bodies are telling us something, we should listen. Sometimes the symptoms are obvious but other times, the body is also subtle with its signs.

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1 / 20
You snore
If you're asleep and it sounds like there's a 747 taking off from your bedroom, a visit to a sleep clinic may be just what the doctor ordered to make sure you don't suffer from sleep apnea or have a deviated septum.
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SEE ALSO: 10 vegetables you mistakenly thought were good for you.

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2 / 20
Your nails aren’t pink
Any other colour needs to be checked out, and could be anything from a fungus to a lack of protein in your diet to poor circulation.
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3 / 20
You’re tired all the time
Whether you get five or nine hours sleep, the lethargia is real. Fatigue is often a symptom of other problems and vitamins might not be enough to put more pep in your step.
Never forget, you can never get enough sleep.
Never forget, you can never get enough sleep.

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4 / 20
You’re gaining weight
If you're watching your food intake, eating healthier and exercising, you might have a thyroid issue or polycystic ovarian syndrome.
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SEE ALSO: 20 surprising reasons you're gaining weight.

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5 / 20
You’re losing weight without trying
If you're eating Big Macs every day and your only form of working out involves your TV's remote control, unexplained weight loss is never a good thing.
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6 / 20
You can’t sleep
Chalk it up to stress, sure, but insomnia is another sign that should have your running to the doctor's office.
If the not-sleeping-thing is just starting, here are some expert sleep hacks to help you get the best sleep ever.
If the not-sleeping-thing is just starting, here are some expert sleep hacks to help you get the best sleep ever.

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7 / 20
Your muscles seize up
Overdoing it at a crossfit class is one thing but muscle cramps can be a sign of nutrient deficiencies so it can be cause for concern.
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8 / 20
You’re bloated
There are foods that go right through you, and foods that are tough to digest. But if you regularly feel bloated, you might have a food allergy or sensitivity that should be checked out.
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9 / 20
You’re itchy
It might be an allergic reaction or your skin is desperate for some lotion but extreme itchiness that doesn't go away and feels weird, like it's something underneath your skin, it might be a symptom of Hodgkin's or non-Hodgkin's lymphoma.
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10 / 20
You’re getting acne
You haven't had it since you were a teenager but it's an an indicator of things like stress, dehydration, lack of sleep and hormonal imbalances.
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11 / 20
Your have irregular periods
If it's normal for you to be irregular, that's fine, and if your menstrual cycle changes, that could simply mean you need more sleep or a change in exercise routine. But, it could also be something more serious, from endometriosis to thyroid issues to STIs. If you're worries, a call to your gyno's office is in order.
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RELATED: An explainer on STIs: what they are and what they do.

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12 / 20
You’re gassy
Whatever end the noises are coming from could be having issues with your digestion. From allergies and sensitives, IBS or something more severe like celiac disease or Crohn's or colitis.
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13 / 20
Your hands and feet are always cold
When your extremities feel like ice and your skin turns white or blue, it could be a sign of Raynaud's disease, a disorder that results in the blood vessels constricting too much.
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14 / 20
You’re not regular
If your fibre intake is decent and you're drinking a lot of water but your bowel movements aren't regular, there could be some underlying factors to consider like hypothyroidism or depression that is slowing your body's normal processes.
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15 / 20
Your breath is not fresh
Sure, you may have just had some roasted garlic soup, followed by some honey garlic ribs with garlic mash on the side but if your breath would still kill a vampire a week later, you need to see your dentist or doctor stat.
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16 / 20
You crave all kinds of food
That's your body telling you it's missing something, from iron to magnesium to potassium to vitamin C.
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SEE ALSO: the 10 worst foods for your skin.

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17 / 20
You get headaches often
They're a pain, no doubt about it, but if they're coming in more regularly and more severely, call your doc.

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18 / 20
You suffer from seasonal allergies
They've been annoying you for as long as you can remember but it could also be a sign that your immune system isn't as up to snuff as it could be.
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19 / 20
You’re losing your hair
It's a little scary to hear but losing 100 or so strands of hair every day is normal. Now, if you're losing significantly more than that, you could be lacking essential nutrients or suffering from hypothyroidism.
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RELATED: the 21 worst things you can do to your hair.

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20 / 20
You have no sexual desire
A hormone imbalance, depression or high blood pressure could explain your low libido. Or you've lost interest in your partner. But that's a whole other story.
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