Sliced onions in a sick room absorb all the germs and prevent contagion there is of course no more scientific basis for the belief that onions absorb all the germs in a room than there is for the belief that onions rid the air of infectious poisons viruses and bacteria can become airborne via droplets of saliva or mucus when people cough.
Onion in room overnight.
Onion is an ingredient which when cut into small pieces and placed in close proximity to you can help to keep the air humid acting as an expectorant and helping to relieve symptoms.
I have always simply put the onion in a plate on the night stand besides the person s head while they are sleeping.
However white onions are encouraged for use.
Please remember it is dangerous to cut an onion and try to cook it the next day it becomes highly poisonous for even a single night and creates toxic bacteria which may cause adverse stomach infections because of excess bile secretions and even food poisoning.
The warnings were aplenty and alarmist.
Washing your hands regularly avoiding crowds during flu season and taking care of your health by eating well exercising and getting ample sleep can help you stay healthy.
There is no scientific evidence to prove it.
Simple tips to prevent catching the cold or flu was this page helpful.
Manuel viso onion is also a proven bactericide and can even help to loosen mucus.
It s a fact onions were used in folk medicine long before 1919 but it s just a false belief.
As trisha wrote you need to use a fresh onion every night that you need to do this.
Take half of a cut onion and put it in a bowl.
Placing an onion in the room will not treat or prevent you from getting a cold.
Placing a raw cut onion in contact with your foot overnight purifies your blood removes toxins and heals your body.
In the morning the room does stink of onion but it doesn t last.
Place the bowl in your room to remain there overnight to absorb the harmful toxins in your environment.