I had an autoimmune disease that went away just from fasting. but of course i lost weight too lol  right, when blood sugar reduces it reduces fat and when fat is reduced, it reduce the inflammation as well, when inflammation reduces, immune system going up.

Some minor European universities have done small studies on this weed, shown that it reduces inflammation, helps hypertension.

.- One change I made is around drinking orange juice which can negate the inflammation effects of eating say a McDonalds breakfast.- Inflammation leads to a cluster of dysfunctions that tends to precede full-blown diabetes and that also increases the risk of heart disease, stroke, certain cancers, and even dementia—the top killers of the developed world.- Another change I made is around prebiotics and probiotics.

Tenant shall be held responsible for water damage caused by overflowing toilets and/or drains.Take no action which would cause a cancellation or increase in Landlord’s fire or liability insurance.Obey all environmental laws and keep no toxic, inflammable or dangerous substances on the Premises.Prevent the accumulation or buildup of mold or mildew throughout the Premises by notifying Landlord immediately if any evidence of water leak or excessive moisture, mold or mildew appears.

Store any highly inflammable material in the storeroom, or in the unit. 43.

LESSEE agrees to pay to ionize the premises to remove any unwanted odors.HAZARDOUS ITEMS: LESSEE shall not keep or have on the PREMISES any article or thing of a dangerous, inflammable, or explosive character that might unreasonably increase the danger of fire or that might be considered hazardous by any responsible insurance company.

These things cause inflammation in your lungs and are just not healthy to breath in all day long.

Like skin inflammations..  

I do my best to stay away from sugar, dairy and gluten as it causes inflammation in my body and don't drink much alcohol. 

If you can keep inflammation down in the body (keep hydrated, use anti-inflammation spices like turmeric, limit sugar intake, don't eat late at night so you can intermittent fast) you'll be healthier, will manage stress better and when your body doesn't feel sluggish I believe sadness and depression have less of a chance of showing up.