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2026.06.03 - Dr Karl Kruszelnicki - Wednesday's with Dr Karl

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“- 21 Days is needed to form new habit? Is this true?

– PCOS (PolyCystic Ovary Syndrome) can happen in Men? Yup, and it turns out that the name) PCOS) is wrong.

– Even though we (Homo sapiens) evolved about 250,000 years ago, the rise of “intelligence” is more recent (according to some genetic studies) and is apparently linked to mental disorders (perhaps).”