are a controversial topic -- some people love them, others loathe them. But if everyone knew that consuming certain vegetables could actually make you happier, there'd be less hostility towards the food group. "In short, healthy diets that are high in whole foods with many nutrients have been shown to improve our mental health, including our mood," says Liz Weinandy, RDN, registered dietitian. "On the flipside, eating foods high in sugar and saturated fats like many ultra-processed foods contain, has been shown to cause stress and inflammation in our bodies including our brains." To help you shortlist a few vegetables that can lift your spirits, we asked dietitians for their favorite mood-boosting veggies.