- https://www.hsph.harvard.edu/nutritionsource/nutrition-and-immunity/#immunesystem:~:text=Our%20immune%20system%2C%20a%20network%20of,and%20parasites%20and%20takes%20immediate%20action
- Vitamins C, D and Zinc: Synergistic Roles in Immune Function and Infections PDF
- https://bmcpublichealth.biomedcentral.com/articles/10.1186/1471-2458-4-19#ref-link-sectiond45736e1978:~:text=Crowding%20may%20plausibly%20increase%20the%20risk,association%20between%20crowding%20and%20respiratory%20diseases
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5352117/#_p1:~:text=Smoking%20impacts%20both%20innate%20and%20adaptive,or%20attenuation%200f%20defensive%20immunity.%20Adaptive
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4465119/#P1:~:text=Psychological%20stress%20has%20been%20linked%20empirically,directions%20for%20work%20in%20this%20field
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6723551/#p8:~:text=Adequate%20and%20appropriate%20nutrition%20is%20required,cells%20in%20the%20immune%20system.%20An
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3256323/#p1:~:text=Sleep%20and%20the%20circadian%2Osystem%20exert,activity%20peak%20during%20daytime%20wakefulness.%20Although
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4439968/#p1:~:text=Surgical%20trauma%20affects%20both%20the%20innate%20and%20acquired%20immunity.,burdened%20with%20the%20highest%20mortality%20rate
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4706827/#P3:~:text=Pharmaceutical%20drugs%200f%20all%20types%20and,could%20be%20repurposed%20for%20immune%20diseases
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7475801/#:~:text=Hyperglycemia%20in%20diabetes%20is%2Othought,to%20more%20susceptible%20to%20infections
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3582124/#__p1:~:text=The%20effects%20of%20aging%20on%20the,as%20robustly%20as%20the%20young.%20An
- https://www.health.harvard.edu/staying-healthy/out-in-thecold#main:~:text=Cold%20weather%20and%20respiratory%20disease%2C%20including,diminishing%20the%20local%20immune%20response%20there
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5091071/
- https://www.news-medical.net/health/What-are-the-Three-Lines-of-Defense.aspx#ct|00_cphBody_divText:~:text=The%20immune%20system%E2%80%99s%20three%20lines%200f,innate%20responses%2C%20and%20specific%20adaptive%20responses
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7019735/#:~:text=It%20has%20since%20been%20established,stage%20of%20the%20immune%20response
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7019735/# p1:~:text=Immune%20support%20by%20micronutrients%20is%20historically,stage%20of%20the%20immune%20response
- Vitamins C, D and Zinc: Synergistic Roles in Immune Function and Infections PDF
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5091071/
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7019735/#:~:text=It%20has%20since%20been%20established,stage%200f%20the%20immune%20response
- Vitamins C, D and Zinc: Synergistic Roles in Immune Function and Infections PDF
- Redoxon Product Information Leaflet
- Vitamins C, D and Zinc: Synergistic Roles in Immune Function and Infections PDF
- https://www.health.harvard.edu/staying-healthy/how-to-boost-your-immunesystem#main:~:text=Your%20first%20line%20of%20defense%20is,they%20take%20hold%20in%20your%20body
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4465119/#P1:~:text=Psychological%20stress%20has%20been%20linked%20empirically,directions%20for%20work%20in%20this%20field
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3256323/#_p1:~:text=Sleep%20and%20the%20circadian%2 -…0/20-nd0/20#he%20circadian%2Osystem%20exert,activity%20peak%20during%20daytime%20wakefulness.%20Although
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6723551/#_p8:~:text=Adequate%20and%20appropriate%20nutrition%20is%20required,cells%20in%20the%20immune%20system.%20An
- https://www.cdc.gov/niosh/work-hour-training-for-nurses/longhours/mod2/05.html#content:~:text=.%20Restricting%20sleep%20to%204%20hours,subjects%20who%20had%20regular%20sleep%20hours
- https://www.mayoclinic.org/healthy-lifestyle/adult-health/expert-answers/how-many-hours-of-sleep-areenough/faq-20057898#main- en ouch/fade:200 X 8930 a mount %2001%20sleep%20vou %20need.eneral%20guidelines%20for%20different?%2Oage%20groups%3A
- https://www.sleepfoundation.org/physical-activity/yoga-and-sleep#does-yoga-help-yousleep-:~:text=Over%2055%25%20of%20yoga%20practitioners3%20report,day%20and%20a%20lack%20of%20disturbances
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6751071/#p26:~:text=Indeed%2C%20light%20from%20LED%20screens%20has,and%20the%20physiological%20processes%20involved%20(
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6523821/celistitem0032~text-Acute%2/exercise%20/moderate%2Dto%2Dvigorous%20intensity%2C%20less%20than,and%20delaying%20the%20onset%20of%20immunosenescence
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5352117/#p5:~:text=Epidemiological%20studies%20have%20suggested%20that%20either,in%20the%20development%20of%20many%20diseases
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5352117/#:~:text=Ample%20evidence%20has%20shown%20that,as%20well%20as%20histone%20modification
- https://www.healthline.com/health/effects-of-quittingsmoking#:~:text=A%20boost%20to%20your%20immune, off%20colds%20and%20other%20illnesses
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6723551/#p8:~:text=Adequate%20and%20appropriate%20nutrition%20is%20required,to%20avoid%20any%20underlying%20chronic%20inflammation
- https://www.ncb.no.nih.sov/loms/articles-/21/6331099019,03peceite/prious/20rniron12/ene/s0o/recessary
- Vitamins C, D and Zinc: Synergistic Roles in Immune Function and Infections PDF
- Redoxon Product Information Leaflet
- Vitamins C, D and Zinc: Synergistic Roles in Immune Function and Infections PDF