"Diabetes is all about carbs," Deborah Malkoff-Cohen, registered dietitian and certified diabetes educator, says.
Some research links milk consumption to higher rates of breast, ovarian, and uterine cancer — it's why registered dietitian Isabel Smith recommends organic dairy products (particularly for big milk drinkers).
They may not be as common as peanuts or walnuts, but there's good reason to seek them out at your local health food store or online: "One ounce of brazil nuts, which is about six to eight nuts, has 777 percent of the daily value for selenium, an antioxidant that plays a critical role in DNA synthesis and helps protect our body from oxidative damage and infection," says Alexandra Miller, a corporate dietitian at Medifast.
Many people worry about the amount of sugar in watermelon, but "that's a bit of a misconception, because the sugar content is actually lower than some other fruits, gram for gram," said Jennifer McDaniel, a registered dietitian and spokeswoman for the Academy of Nutrition and Dietetics.
So we asked certified dietitian Leslie Langevin, MS, RD, CD, of Whole Health Nutrition to share the biggest mistake she sees people making when trying to drop pounds.
'Most people don't know what an appropriate portion should look like,' says Sian Porter, a consultant dietitian and spokesperson for the British Dietetic Association.
Registered dietitian Rebecca Scritchfield recently broke down the basics of this gut-mood research with the digital series #OWNSHOW.
Susie Burrell, an Australian dietitian and founder of Shape Me, says there are qualities in some foods that make them more likely to contribute to ageing cells in the long term.
Vitolins, a registered dietitian and professor of epidemiology and prevention at Wake Forest Baptist Medical Center.
If you eat something refined, like an overly sweet cinnamon roll, that's the worse thing you can eat," says Judy Caplan, a registered dietitian nutritionist for the Academy of Nutrition and Dietetics.