Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. To protect ourselves ...

Melbourne researchers have found that liquid chalk, commonly used in gyms to improve grip, acts as an antiseptic against highly infectious human viruses, completely killing both SARS-CoV-2 (the virus ...

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Many hand sanitizers contain around 60-80% alcohol, which is why they are useful in preventing the spread of infectious diseases. Hand sanitizer use has been a key control measure in limiting the ...