Onion
Onion is the common name for the Allium cepa, a plant of the biennial herb genus of the Liliaceae family, originally from Asia but has been widely cultivated in temperate regions and
subtropical for thousands of years.
Onion is a bulbous plant with hollow, long and thickened cylindrical leaves at the base that make up the bulk of the bulb.  The flowers of the onion, of white or pink color, have six separations, six petals, six stamens and a single pistil.  The fruits are small capsules that contain their small seeds.  Certain varieties form bulbs instead of flowers that can be buried to obtain new plants.
The onion contains volatile sulfurous essences that give it its characteristic spicy flavor;  When cutting onion, it cries because these essences enter through the nose and cause tearing.
It is one of the most versatile vegetables.  It is consumed raw in salad, cooked, and is widely used as a culinary seasoning.
This is one of the healthiest and most nutritional plants and its medicinal powers are many.  Due to its content of vitamins A, B, C and E it becomes a great revitalizer of our body.  Because of its high vitamin C content, it is a natural enhancer of the body's defenses.
Onion Benefits
The onion is of low energetic value and very rich in mineral salts, due to its high content of vitamins A and C, it can be used for the treatment of respiratory diseases and protects the body from parasites and infections, also its high content of vitamin B makes  That is very useful against nervous diseases.
Its high content of minerals such as iron, phosphorus, and other minerals make it suitable for the treatment of anemia.
For rheumatism treatments:
It will be necessary to boil 3 unpeeled onions in a liter of water for a period of 15 minutes, after removing from the heat, distribute the drink in two doses, one to be taken on an empty stomach in the morning and another 30 minutes before bedtime.  Another way to control and reduce the pain caused by this disease is to make the tincture by mashing 90 grams of chopped onion in 100 g of 90º alcohol and leave there for a little more than 10 hours.
After this you should apply between 10 and 15 drops of this tub on two fingers of water to drink three times a day,
You will soon notice how the pain subsides.
Weakness, bronchial conditions, asthma, nervousness, kidney diseases, tuberculosis, nephritic colic, diabetes, dropsy, bladder diseases, obesity, joint inflammations, impotence, constipation: Eat it very often, raw or lightly roasted, in  the salads.
There are several ways to control diarrhea, and with the onion there is no exception, to relieve this annoying digestive condition it is advisable to infuse 15 grams of onion peel in 1 liter of water, let it boil for 10 minutes, remove  of fire and strain.  This drink should be supplied to the patient a cup in the morning on an empty stomach and one at night at bedtime.
To combat the problems caused by bronchitis and other diseases of the respiratory tract it is advisable to boil 25 grams of onion cut into pieces in 400 g of milk.  This mixture should be taken on an empty stomach in the morning and 20 minutes before bedtime.  If desired, you can sweeten it with honey.
Cough and insomnia:
White onion is a great help to cure a cough and prevent insomnia.
Cramps or fainting:
Putting onion juice under the nose, cramps and fainting are removed.
Dropsy:
Give the patient as the only food crushed onion with cold milk.
Flu:
To a cup of hot water, add lemon juice, a tablespoon of honey and one or two tablespoons of onion juice.  Take 4 to 6 times a day, if the patient is very serious.
Another effective homemade recipe to soothe throat irritation caused by exhaustion or environmental pollution is to mix some large pieces of onion in half a liter of water with three teaspoons of sugar.
This mixture should be left to rest for half a day, and take a cup of the substance to clear the throat.
A recipe for angina is to boil a liter of water, once it is boiling, add 100 grams of chopped onion and inhale that steam, this is very effective to repel the discomfort caused by this condition  .
To combat afonia it is helpful to decode 20 grams of onion in 250 ml of milk for 10 minutes.  You should drink a glass in the morning and another in the night before bedtime.  It is also advisable to gargle with this same substance two or three times a day to speed up the improvement.
Boils and abscesses:
Roasted and crushed onion.  It is applied in poultices on the affected part, in order to soften and cause
suppuration
Nosebleeds:
Put half of a freshly cut onion on the patient's neck to stop the blood from the nose.
You can also breathe its smell with the same result.
Asthma:
Great relief will be found eating roasted onions on coals, fasting and at night.
For the treatment against some diseases of the prostate the onion is frequently used for its
Multiple benefits in the medical field.  A tincture with the juice of 40 grams of fresh onion bulbs should be prepared and mixed with 120 g of 80º alcohol.  Shake very well and take a tablespoon of this mixture in a glass with sugar water before the main meals.  This treatment should be performed for 10 days a month.
Against worms:
Take 2 tablespoons of the juice of an onion.
Hair, alopecia:
Rubbing onion on the scalp, stimulates hair growth.  Onion consumption in any form and in sufficient quantities prevents hair loss.
Infections:
The onion acts as a mild and natural disinfectant, very useful in small wounds.
Diuretic:
Onion is also a natural diuretic.
Toothache and headache (headache):
Take onion juice.
Earache:
A few drops of roasted onion juice.
Rhinitis and chronic colds:
A few drops of onion juice in the nostrils are usually helpful.
Liver conditions:
Take broth of cooked onions.
Skin:
Applying rubbed onion on the face produces a soft and smooth skin, it also removes spots on it.