Every cell in our body is tied to a 24-hour clock
This includes immune cells
Thanks to artificial lights at night, poor sleep schedules, not enough bright light during the day, etc
If we want our immune system to be at its best, we must… https://t.co/ZCjuaxHdIHtwitter.com/i/web/status/1…
Based on circadian biology, poor sleep is wreaking havoc on the immune system
Sleep is when immune cells can “clean up” damaged/cancer-prone cells
Several studies have found a relationship between sleep deprivation and increased cancer risk 
Based on sleep and circadian rhythms, low vitamin D levels are associated with increased cancer risk
Vitamin D plays a key immune role
Vitamin D supplementation does not seem to improve this
We need sunlight to:
1. Normal circadian health
2. good sleep
3.… https://t.co/WKLklT3Opytwitter.com/i/web/status/1…
We all know that obesity is linked to an increased risk of cancer
Fat cells, especially visceral fat, release inflammatory cytokines
This can contribute to further immune dysregulation and allow the cancer to escape
Obesity is a chronic inflammatory state 
The liver is a key metabolic and immune regulator
Fatty liver disease is skyrocketing with obesity
This is a risk of cancer in the liver AND outside of it
NAFLD is on its way to becoming the leading reason for liver transplants 
All of our cells depend on the nutrients we provide to function properly
I would argue that this is more important for immune cells as they divide rapidly 
This one is more nebulous, but we’re starting to notice a connection between the bacteria that live inside us and cancer.
These bacteria play a crucial immune regulatory role
Stay tuned to this developing field as new research emerges 
We all know that mental health at the population level is in the gutter
People are more stressed than ever, especially during the pandemic
I and many residents got sick with a cold more often while stressed on long 28 hour shifts
Your immune system… https://t.co/6F6Kz4elpttwitter.com/i/web/status/1…
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