Quick explanation:-
Tylenol/Paracetamol suppresses the immune system by reducing the fever, the increased body temperature allows the white blood cells to function more effectively, but Tylenol lowers the temperature, thereby suppressing the immune system.
Antibiotics destroy both good and bad bacteria, so as well as nuking the bad guys we also nuke the good guys who are here to protect. It takes the good guys one year to recover, that means it takes your immune system one year to recover.
Alcohol blunts the immune system
https://www.newscientist.com/article...immune-system/
Vaccines are an attempted hack on the immune system, sometimes the hack brings a small protection, but hacks often decrease overall stability and can backfire. By not allowing any hacks on our immune system, we enable it to fight off illnesses itself the way it was designed to, which toughens it up, meaning it will do better each new challenge sent it's way. As we've seen with flu vaccines, those who've had them are more likely to catch other types of flu the following year than those who don't receive them. (study below)
"we present the first observation of an unexpected association between prior seasonal influenza vaccination and pH1N1 illness during the spring and summer of 2009 in Canada. Specifically, outbreak investigation conducted during the early stages of the pandemic in a northern BC community identified that participants reporting pH1N1-related ILI during the period 1 April through 5 June 2009 were more than twice as likely to report having previously received seasonal influenza vaccine"
https://academic.oup.com/cid/article...reased-Risk-of