The number of vegans in Western societies is on the rise. It is estimated that between 2 - 6% of Americans are vegan. And up to 10% of Americans consider themselves vegetarian. But these diets have additional challenges.
It can be hard to get enough vitamin B12, iron, zinc, iodine, and omega 3-fatty acids on a plant-based diet. A new study even suggests that dietary deficiencies may put those on a plant-based diet at higher risk of bone fractures.