Beware, these signs show that you are not eating properly, experts come out with important advice

Millions of people suffer from at least one nutrient deficiency due to their lifestyle. Doctors say the symptoms can be easily overlooked or linked to other, more harmless, health problems. Constant fatigue can easily be attributed to poor sleep or a busy schedule, but in many cases it results from insufficient iron, reports KP.

And if your gums bleed frequently, it could be a vitamin C deficiency rather than a dental problem. A poor nutritional diet can even cause brittle or damaged nails.

Fatigue is a symptom of many common diseases, described by doctors as one of the most frequent complaints. It is so common because of the prevalence of iron deficiency in the population. Iron is an essential mineral for creating hemoglobin in the body, a substance in the blood that carries oxygen. A person with an iron deficiency may feel tired because their body is not getting enough oxygen through the blood. Doctors recommend iron-rich foods such as beef, lamb, chicken, spinach, broccoli, strawberries and watermelon, but also taking it as a daily supplement.

Dandruff is a condition where the skin on the top of a person's scalp becomes dry and scaly, causing it to slough off. The causes of dandruff are similar to those of dry hair. Boosting niacin blood circulation to the scalp can prevent dryness, along with vitamin b6, pyridoxine. Zinc can keep scalp cells healthy, preventing dandruff from forming. Pyridoxine is found in fish, poultry and chickpeas. Zinc is common in meat, nuts, seeds and many vegetables. A number of issues in the circulatory system can cause an irregular heartbeat. Calcium is essential for blood circulation in the body and helps regulate the electrical signals that cause the heart to beat.

Lack of sun can make your body fragile. Vitamin D, which is absorbed through the skin from the sun, is very important for bone health. This is because vitamin D is crucial to the body's process of absorbing calcium. People who suffer from weak bones will often experience weakness and pain in their bones and joints and are more likely to suffer fractures.

Vitamin C, most associated with oranges and citrus fruits, but also found in broccoli, peppers and tomatoes, is an integral part of the body's healing process and supports the growth of blood vessels, muscles and other tissues. When a person lacks vitamin C, their body has trouble repairing damage caused by toxins such as cigarette smoke. In more serious cases, a person suffering from a severe vitamin C deficiency may experience tooth loss.

Hypocalcemia, also known as a severe calcium deficiency, can cause a person to have a numb, tingling sensation in the fingers. This is because calcium in the blood, which is essential for nerve health. When a person suffers from low calcium levels, their peripheral nerves may begin to lose some function.

Iron deficiency anemia may be responsible for another symptom such as cold hands and feet. The lack of healthy red blood cells circulating in the body can leave its deficiency in the extremities of the body, it is advised to consume more fruits and vegetables rich in iron can solve the problem over time.

Small lines across the nails are often associated with diabetes, vascular disease and other health issues. In some cases, it can also be a sign that a person needs more zinc in their diet. Zinc helps in the growth of cells in the body and the nail cells very quickly reproduce and grow to maintain health. Foods rich in zinc include oysters, red meat, chicken and avocados.