How does too much salt affect your body?

Everyone knows that eating a lot of salt is bad for kidneys, but it also has many harmful effects on health.

Although according to recommendation from the authorities, on average each person should only consume about 3/4 teaspoon of salt a day, but most people eat more than the recommended amount of 50% compared to every day. If you consume too much salt, your body may face the following effects:

Kidney failure


Salt has the ability to retain water, so it can weaken blood vessels in the kidneys. In fact, excessive salt intake can cause kidney failure. According to a 2013 study in the Journal of the American Society of Nephrology found that people with chronic kidney disease can improve kidney function by reducing the consumption of salt.



Your body needs water to dissolve salt, so when you use too much salt, your body will retain more water. This can affect the amount of blood in the body and in the long run, blood pressure can increase.

Risk of Alzheimer's disease


Experiments on mice and human cells show that salty foods trigger an inflammatory immune response that results in loss of oxygen in the brain and damage to the neurons, resulting in behavioral and mental problems. About 5.5 million people are living with dementia and Alzheimer's disease in the United States.

Dr. Ladecola, a leading expert on stroke and dementia at Weill Cornell University, said the salty diet led to inflammation, which involved all serious illnesses.

Impact on reproductive health


US researchers have analyzed the effects of diet high in salt for reproductive health. Research results (carried out in mice) indicate a disturbing concern.

According to research team of professor Dori Pitynski at the University of Wyoming, the excess of salt is not only related to normal health but also to the reproductive health of future generations.

Obesity and inflammation


Adolescents eating salt may suffer from obesity and inflammation, according to a study by researchers at the Georgia Institute of Technology and the Institute for Community Health at Georgia's University of Regents.

Not having a good sleep


Consuming large amounts of salt increases the risk of developing high blood pressure called hypertension. An increase in water increases the volume of blood and your body must increase blood pressure to promote increased blood flow throughout the body. Hypertension can affect your sleep and vice versa, sleep disorders can affect your blood pressure.

Risk of heart disease


In the British Medical Journal, studies have found that high sodium levels are directly linked to cardiovascular disease. In a study published in the Journal of Clinical Endocrinology & Metabolism in 2014, too much salt in the diet doubled the risk of cardiovascular disease in people with diabetes.

How much salt in a person's body is enough?

To keep your body's salt in balance, everyone needs:

Adult: 5.4g / day

From 14 to 17 years old: 4.5g / day

From 11-13 years: 3g / day

From 7-10 years: 2.5g / day

From 4-6 years: 2.3g / day

By: Gitta Russell

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