«Conventional condoms smell acidic because they contain animal-based ingredients»
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by Natalie Hemengül
Happiness by instruction? How I (almost) failed at the 6-minute diary
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by Anna Sandner
Alternative to a smart watch or smart ring – how good is the Sleep Analyzer?
Product test
by Martin Jungfer
How accurate are body fat scales designed for home use?
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by Oliver Fischer
Does zinc keep colds at bay?
Guide
by Anna Sandner
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