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Vegetarians and Vegans need extra vitamins? This question of Stiftung Warentest, after the latest issue, and to a large extent the all-clear: “Not all who eat meat have to swallow vitamin pills,” write the Tester. In principle, a balanced vegetarian diet provides all the nutrients the body need. Only those who are vegan, on a […]
Remove tumor cells from a living organism and place them in a dish, and they will multiply even faster than before. The mystery of why this is has long stumped cancer researchers, though many have simply focused on the mutations and chains of molecular reactions that could prompt such a disparity. Now, a group of […]