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Can you reinfect yourself with a cold sore from chapstick?

"Theoretically, once you have been infected by a virus, you should be protected by your immune system from being reinfected by that same virus again, so you should not be able to reinfect yourself by using your contaminated lipstick," explains Zeichner.

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Cold and flu season sucks, and 2018 is especially bad. Not to be the bearer of even worse news, but your makeup may be another casualty of it. It's hard enough to part with your favorite lipstick when there's literally nothing left in the tube. Who among us hasn't gone in with a lip brush, a Q-tip, even an orange stick to salvage the last of our favorite shade, even if it's an inexpensive drugstore lipstick? So imagine looking at a practically new tube of, say, the $90 Christian Louboutin Velvet Matte Lip Color as your hand reluctantly tosses what's left of it into the undeserving trash. Why would anyone do such a thing? Temporary insanity? Losing a bet?

Apparently, having had a common cold is enough of a reason to get rid of any lipstick you wore right before or while you were feeling sick. "You should absolutely dispose of any lip products after you’ve been sick," Morgan Statt, a health and safety investigator for ConsumerSafety.org, told The Independent. “Your lip linings are a natural gateway to your respiratory tract, which puts you at an additional risk of infection and illness.” According to Statt, a lipstick tube is all but designed to be breeding ground for bacteria, letting viruses live on and potentially get back into your system. Shook, I reached out to New York City-based Dermatologist Joshua Zeichner to beg him to tell me this isn't true, and I got a slightly more lenient take on post-cold lipstick use. "Theoretically, once you have been infected by a virus, you should be protected by your immune system from being reinfected by that same virus again, so you should not be able to reinfect yourself by using your contaminated lipstick," explains Zeichner. However, although the risk of getting sick again is low, it can happen. "For every rule, there is an exception, so the safe thing to do would be to toss infected lipsticks and especially lip glosses." Surely there's some way to avoid turning one's garbage can into a lip-product mass grave? "To save your favorite products, don't use them when you actively have a cold," advises Zeichner. "If you want to, instead, use a disposable applicator so the product does not ever directly touch your lips. But remember not to double dip your applicator, which will contaminate the lipstick."

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What is a book that Cannot be read?

The mysterious and centuries-old Voynich Manuscript was written by an unknown author, illustrated with bizarre, puzzling pictures and composed in a language that even the best cryptographers can't decode.

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The mysterious and centuries-old Voynich Manuscript was written by an unknown author, illustrated with bizarre, puzzling pictures and composed in a language that even the best cryptographers can’t decode. Now, Naked Science follows new leads in the hunt for the author’s identity. The Voynich manuscript, described as “the world’s most mysterious manuscript”, is a work which dates to the early 15th century, possibly from northern Italy. It is named after the book dealer Wilfrid Voynich, who purchased it in 1912. Some pages are missing, but the current version comprises about 240 vellum pages, most with illustrations. Much of the manuscript resembles herbal manuscripts of the time period, seeming to present illustrations and information about plants and their possible uses for medical purposes. However, most of the plants do not match known species, and the manuscript’s script and language remain unknown and unreadable. Possibly some form of encrypted ciphertext, the Voynich manuscript has been studied by many professional and amateur cryptographers, including American and British codebreakers from both World War I and World War II. As yet, it has defied all decipherment attempts, becoming a cause célèbre of historical cryptology. The mystery surrounding it has excited the popular imagination, making the manuscript a subject of both fanciful theories and novels. None of the many speculative solutions proposed over the last hundred years has yet been independently verified. The Voynich manuscript was donated to Yale University’s Beinecke Rare Book and Manuscript Library in 1969, where it is catalogued under call number MS 408 and called a “Cipher Manuscript”.

Released 4 February 2011. 46 min. Narrator: Jason Alan Carvell. TV documentary.

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