Food & Nutrition Low Carb Diet Linked to Shorter Life Expectancy If your healthy diet doesn't include breads, rice, oats, and other whole grains, you may be missing out on a huge health perk, says new science By Rachael Schultz Rachael Schultz Rachael Schultz is a health and fitness journalist and the former online news editor for Shape. She currently serves as a freelance writer and gear editor at Insider. Shape's editorial guidelines Published on January 6, 2015 Share Tweet Pin Email Corbis. Swearing off carbs may mean forgoing health perks as well: People who ate more whole grains throughout their lives lived longer than those who didn't, reports a new study in the JAMA Network Journals. Researchers from the Harvard School of Public Health looked at over 120,000 men and women and found that those who ate more whole grains had lower general mortality rates, as well as deaths due specifically to cardiovascular disease. In fact, the team estimates that every one-ounce serving of whole grains reduced a person's risk of an early death by five percent, and their risk of death from heart disease by nine percent. (See these other Banned Foods to Keep in Your Diet.) Researchers' aren't entirely sure why loading up on good granules is so beneficial, but it probably has something to due with people's lifestyle: Whole-grain eaters had much healthier habits overall than those who skipped the spelt. Just remember: The healthy emphasis is on whole grains. Once refined, the grains lose about 25 percent of their protein and at least 17 key nutrients, according to the Whole Grains Council, a nonprofit consumer advocacy group. What qualifies? More than just brown rice and whole wheat-check out the Best Carbs for Weight Loss for more delicious whole grain options. Was this page helpful? Thanks for your feedback! Tell us why! Other Submit