Fiber is both diet fad and fixture for good health – a doctor explains why there is no one-size-fits-all way to increase your intake

Many whole foods, such as fruits, vegetables, legumes and nuts, are high in fiber. bit245/iStock via Getty Images Plus

The numbers are clear: Americans aren’t getting enough fiber.

Research has consistently shown that high-fiber diets are linked to significant health benefits, including a lower risk of cardiovascular disease and colorectal cancer, as well as improved arthritis symptoms.