When pop superstars dish, they dish in a big way. Take singer Lionel Ritchie, for instance. In his 2025 autobiography, he talked at length about legendary performer Michael Jackson. Though he remembered the late icon fondly (Jackson died in 2009), he also relayed some questionable hygiene practices that he says Jackson had.

Among the most surprising was that Jackson would wear the same clothing for days, including undies, leading him to smell bad due to inconsistent grooming and bathing. These shocking allegations raise a serious question: Would such questionable hygiene habits pose legitimate health problems?

In the first scenario, the biggest issue would probably revolve around re-wearing garments that touch the skin. For example, keeping the same underwear unchanged for days probabl

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