According to the National Institutes of Health, people have used marijuana, or cannabis, to treat their ailments for at least 3,000 years. However, we are still waiting to get recognized on a much bigger spcectrum in the medical field, although cannabidiol, a substance that is present in marijuana, received approval in June 2018 as a treatment for some types of epilepsy. A recent study published in the journal Addiction also found that use of marijuana is increasing sharply across the United States, although this rise may not be linked to the legalization of marijuana in participating states.Likely in Illinoise we are able to introduce cannabis as a solution medication to so many medical conditions. 

Starting January 2020 you will be able to grow cannabis on your own. How wonderful is that? There are few tricks how to grow cannabis properly.
Does Cannabis need oxygen?
The short answer is ‘yes,’ of course, but there is a lot more to it than that! It is easy to dismiss the importance of oxygen when growing cannabis. After all, dry air contains approximately 20.95% of it, so your plants are okay, right? Even at 100% relative humidity, the atmosphere consists of 20.4% oxygen. However, if you don’t allow for excellent air circulation in the grow room, your plants could suffer. Please maintain the right temperature in the room where you are growing cannabis.

Illinois uses medical marijuana cards to regulate marijuana use throughout the state. This means you can only get one if you meet certain criteria.
You must be 18 years or above to qoalify for own medical marijuana card.
Adult caregivers can hold MMJ cards for minors as well. However, these require more rigorous vetting. Two doctors have to sign a certificate for a minor to qualify for medical marijuana.
You also must be a resident of Illinois. This is because Illinois doesn’t allow treatment of patients from outside the state.
You must have a diagnosis of one of the qualifying conditions. Some conditions are physical, while others come under the title of mental illnesses.
There are currently 52 conditions on the approved list.