[Nimmie (OP)]

I discovered lately that orgasm activates lymph nodes, could this be the reason why some people aren't susceptible to flu(cold) for a long period compared to others?

[smart]

I discovered lately that orgasm activates lymph nodes, could this be the reason why some people aren't susceptible to flu(cold) for a long period compared to others?

Yes, sexual arousal and orgasm may stimulate the immune system and increase leukocytes (white blood cell) production. See: https://www.ncbi.nlm.nih.gov/pubmed/15316239