Onions have been named superfood for a variety of health benefits

Onions are named a superfood for a variety of useful properties Onions are rich in vitamins and nutrients necessary for the human body, writes Milliyet.

Eating onions for a month increases bone density by 5%, scientists say.

Onions reduce cholesterol levels and the risk of developing cardiovascular diseases, improve digestion, contributing to the formation of beneficial bacteria in the intestines.

It also relieves stress and improves sleep quality.

Onions kill harmful bacteria in the mouth, which helps to strengthen teeth.

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