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Amou Haji from IranA country in Western Asia, officially called the Islamic Republic of Iran. It has a population of 84 million. did not use soap or water for more than 50 years. But then, just months after washing for the first time in years, he died, aged 94. 

Some people have showers two or even three times a day. Some doctors say this is too much. Sandy Skotnicki looks after people's skin in Canada. She sees lots of patients with very dry skin. The problem for many, she says, is that they are washing off the oils that help the skin stay moisturisedMade less dry. . 

Scientists say some people might be washing the skin on parts of their body too often - but it is still key to always wash your hands. 

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Are modern humans too clean?

Yes! We are actually at risk of hurting our skin by washing too much. It is time to put down the soaps and conditioners. 

No! It is a good idea to stay clean. And 50 years is definitely far too long to go without washing.