The answer is false that athlete would be weaker <span />
dispose of toxic bacteria's.
Oh there have been plenty.
STI's for example including HIV (human Immunodeficiency virus) has definitely boosted the awareness of caution and avoiding risky behaviors in both sexual terms and reducing exposure to bodily fluid via blood in work, or IVDA (intravenous drug abuse) needle sharing.
Additionally potentially dangerous and very infectious diseases like the Flu have put an emphasis on the very basic disease prevention of washing ones hands, covering your sneezes, wearing face masks during exposure, and getting vaccinated as well.
And these are merely two examples of how hundreds of disease shaped out infection control protocols and norms.
Benefits
Increased muscle mass: Muscle mass naturally decreases with age, but strength training can help reverse the trend.
Stronger bones: Strength training increases bone density and reduces the risk of fractures.
Joint flexibility: Strength training helps joints stay flexible and can reduce the symptoms of arthritis.
Punch it girlllllll fire outta that stomach girl
