Onions may reduce cancer risk
The risk of colon cancer was 79% lower in people who regularly ate vegetables containing allium, like onions. They are rich in antioxidants that help prevent the formation of cancer. According to an analysis of several studies, people with diets rich in allium have a lower risk of stomach and colon cancer. Onions also contain a compound called organosulfur, which has anti-tumor effects.

Onions give you a healthy hair and skin
Onion is a vegetable that helps you to own a blemish-free skin. Vitamin C is needed to remove pigmentation and protect you from UV rays. In addition, it also contributes to overall skin and hair care. And due to its antibacterial properties, onions can also help prevent dandruff and lice in your hair. Onions also help fight skin aging because the folic acid in them helps fight the dreaded wrinkles.

Onions increase testosterone levels
Researchers found that onions and onion juice can boost testosterone production in men. Testosterone is an important hormone for men because it is responsible for bone and muscle mass, strength, fat distribution, and the creation of red blood cells.

It helps regulate blood sugar
Eating onions, for people with certain types of diabetes, helps the liver work better. Compounds of onion, quercetin and chromium, have antidiabetic effects. When quercetin interacts with liver cells, muscle, and fat tissue, it can regulate blood sugar levels throughout the body. Chromium also produces a hypoglycemic effect, which can control both type 1 and type 2 diabetes.

It helps keep your eyesight always good
Onions contain a lot of vitamin C, which is ideal for eyesight. Vitamin C reduces the risk of developing eye problems, like age-related macular degeneration. Onions have also been shown to prevent corneal adhesions and may be a potential remedy for eye infections, such as blepharitis and conjunctivitis.

Onions help fight respiratory diseases
Thanks to flavonoids, eating onions can have a relaxing effect on the airway muscles, making it easier for people with asthma to breathe. Onions are also an anti-allergic agent, and in most cases, allergies are an important cause of our respiratory problems.

Onions relieve symptoms of menopause
Onions may make the “menopause” less bad in some respects. One study found that eating onions can have a positive effect on our bone density as we pass our fifties. Raw onions are also a good source of calcium, with 23 mg per 100 g.
