Emma Yasinski

I am a freelance science and medical journalist, fascinated by how the scientific process leads to incredible discoveries, but also can lead to publication bias leaning toward positive findings and minimizing negatives. With a bachelor’s degree in neuroscience from Lafayette College and a Master’s in Science and Medical Journalism from Boston University, I’ve written about clinical trial transparency, organ donation, and basic molecular biology for publications like The Scientist, The Atlantic, Undark.org, Kaiser Health News, and more. At MedShadow, I research and write about the sometimes unexpected ways that medicines can affect us, and what we can do if and when it does.

A cup or two of caffeine is unlikely to be dangerous Larger servings can interact with many common medications, like antidepressants and antibiotics Some drugs can enhance the effects of caffeine You’ve probably seen someone holding a mug or wearing a T-shirt that reads “Don’t talk to me until I’ve had my coffee.” Though lighthearted, the statement refers to something that many of us may forget: caffeine, an active ingredient in coffee, tea, chocolate and other foods and drinks is, in fact, a psychoactive stimulant drug. Unless you’re consuming exceptionally large servings of caffeine (upwards of 5 to 10 cups…

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