Can Turning Vegetarian Make You Ill?

Low iron levels can lead to a condition called anemia, which makes you fatigued, increases your heartbeat, and leaves you more winded from climbing the stairs. Anemia's a common problem for vegetarians but you can offset your risk of the issue by bulking up on leafy greens, nuts, and soy.

What are the side effects of switching to a vegetarian diet?

Can vegetarians get sick from not eating meat?

“There's no reason to believe we get sick. I can't conceive of our bodies losing the capability to tackle meat,” he says. “The nutrients in meats also have to be digested when we eat other foods. The enzymes that the body produces to break down meat proteins are also used to metabolize plant proteins.”