MNT Sunday Supplement: What are human challenge studies? Plus, articles you may have missed this week.

MNT's Sunday Supplement: "When I close my eyes, I literally see nothing" Welcome to the second edition of MNT's Sunday Supplement. Today, we share Katrice Horsley's reflections living and writing without experiencing any visual imagery at all, plus six stories you may have missed this week. Being unable to visualize people, places, and situations has not affected Katrice's career as a writer. In fact, she is a former U.K. National Storytelling Laureate, a performer, and a consultant. However, aphantasia does have its downsides, as you'll learn in our latest Through My Eyes feature. We've also picked six other illuminating articles for you to pore over, including the role of superfoods in weight loss, the truth about eggs and cholesterol, and a study examining why conscientious people may live longer. We'll be back with our regular daily newsletter tomorrow. In the meantime, please let us know what you think of today's email here. Robin Hough Editor-in-Chief, Medical News Today In case you missed it Can superfoods help with weight loss?   What are superfoods, and are they good for weight loss? Find out more about superfoods, including whether they can help with weight loss and other possible benefits. Read on   Do eggs raise cholesterol levels?   Eggs are a nutritious and inexpensive staple of diets around the world. This article reviews the evidence showing that eggs are healthy to include in the diet. Read on   Research suggests conscientious people may live longer   A new study finds that conscientious people may have a lower mortality risk, as this personality trait is linked to lower levels of inflammation biomarkers. Read on   More than 140,000 different viruses live in the human gut   A comprehensive "map" of the human microbiota shows that there are more than 140,000 bacteria-eating viruses in the gut, over half of which are newly described. Read on   COVID-19 vaccine trials: Live updates   This live article contains regularly updated information on the experimental vaccines under development for COVID-19. Read on   The Recovery Room: News beyond the pandemic   MNT's Recovery Room is the place to find 10 recent stories that you may have missed amid all the COVID-19 fervor. Read on

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