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Loss of smell -

While the loss of smell alone is highly disturbing, it can also lead to memory loss and be an early sign of Alzheimer's and dementia.

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Abdominal bloating -

While the causes may often be benign, abdominal bloating can also be an early warning sign of ovarian cancer.

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Unexpected weight loss -

If you start losing weight unintentionally, it could be a sign of type 2 diabetes. Those aged 45-64 are most at risk of developing it.

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Blurry vision -

Eyesight naturally deteriorates with age. However, if you experience sudden changes, it could be an early sign of melanoma.

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Nausea -

There can be a huge number of reasons why a person may feel nauseous. But nausea and stomach pain can be a warning sign of heart disease.

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Receding gums -

If you have experienced receding gums, or even worse, tooth loss, this can be a sign of osteoporosis, which weakens the bones.

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Neck stiffness -

While neck stiffness could just be caused by a bad night's sleep, it could also be a sign of polymyalgia rheumatica, which is an inflammatory disease.

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Anxiety -

Many people of all ages can experience anxiety. But it could be symptomatic of Parkinson's disease, which mainly affects those over 50.

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Fatigue -

It's natural to feel fatigue, because our bodies need sleep. However, if it becomes chronic, see your doctor, as it could be linked to vitamin D deficiency, or even heart disease.

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Light sensitivity -

Lupus is more common in women. When exposed to the sun, symptoms can include rashes, fever, fatigue, and joint pain.

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Change of humor -

If someone suddenly develops a much darker sense of humor, it could be a sign of frontotemporal dementia, or Alzheimer's.

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Tingling hands -

If you are experiencing tingling or numbness in your hands, it could be a sign of carpal tunnel. Most people who are diagnosed are between 40 and 70 years old.

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Knee pain -

If you experience pain around the joint of your knee,  this can be an indication of early arthritis or degeneration.

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Heartburn -

While heartburn can be caused by simply eating too much, it can also be a sign of esophageal cancer, which is most common in those over 50.

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Coughing -

There are a huge number of reasons why someone may develop a cough, but one of them is due to mesothelioma, which can occur when people have been exposed to asbestos.

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Excessive thirst -

If you can't seem to satiate your thirst, this could be a sign of type 2 diabetes, especially when accompanied by weight loss.

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Red face -

While the visible symptoms of rosacea aren't dangerous, they may cause you embarrassment. If you also experience high blood pressure, and excessive sweating, it could be a hormonal issue.

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Sadness -

Low levels of progesterone can result in dark moods in women over 40. High levels of cortisol, or low levels of the thyroid hormone, may also be a contributing factor.

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Stomach ache -

While a stomach ache could be symptomatic of an allergy or intolerance, it can also be a sign of inflammatory bowel disease, or even pancreatic cancer.

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Dizziness -

While dizziness could indicate low blood sugar, which is treatable, it could also be a sign of a heart rhythm disorder.

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Calf pain -

Some calf pain can come from pulling a muscle. However, it could be a sign of deep vein thrombosis, which can lead to a potentially lethal pulmonary embolism.

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Pain between shoulder blades -

If you experience pain between your shoulder blades, and can rule out a physical injury or strain, it could be a sign of gallstones.

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Blood in urine -

Blood in your urine can be indicative of an infection, kidney stones, or even bladder or kidney cancer.

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Headache -

While headaches are very common, there is a possibility that they could be a warning sign of a brain tumor. Be aware of how frequent and intense the headaches are.

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Erectile dysfunction -

There are a huge number of factors that can influence ED, including age, psychological issues, and lifestyle. However, it could also indicate heart disease.

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Exhaustion -

If you are feeling exhausted and tired on a regular basis, it could be a sign of depression, or even Lyme disease.

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Itchy skin -

Many things can cause itchy skin, such as eczema, or even just being dehydrated. However, it could also be indicative of liver disease.

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Night sweats -

Menopause can be a cause of sweating at night. But it could also be a warning sign of an infection, or even lymphoma.

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Forgetfulness -

A certain element of forgetfulness is a natural consequence of aging. However, when it interferes with your normal routine, it could be a sign of dementia.

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Moles -

Always keep an eye on any changes in the shape and color of moles on your body, as they can lead to serious and deadly cancer.

Click here for some healthy eating advice.

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