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New research says eating nuts could be a valuable, tasty and nutritious slimming aid. Researchers Harvard University recommended that people replace a daily unhealthy snack a small handful nuts to slow down weight gain. They say this is especially helpful people as they get older. The researchers found that people who ate just 14g nuts every day gained less weight than those who ate another snack. The people who ate the nuts were less likely to become obese. However, the benefits to our weight could be quite small. The scientists said swapping chocolate, cakes and potato chips with nuts could help prevent a weight gain just 0.4 to 0.7kg four years.

The researchers conducted a long-term study which they looked the lifestyle nearly 190,000 people over two decades. The participants the research were divided three groups. They included more than 51,000 male health professionals aged 40 to 75, 121,700 nurses aged 35 to 55 and 16,686 nurses aged 24 to 44. Researchers asked the participants questions every four years their weight, how often they ate nuts, and how often they exercised. Researcher doctor Xiaoran Liu said: "Incorporating nuts [] a healthy diet replacing less healthy foods may help [reduce] the gradual weight gain common adulthood and beneficially contribute to the prevention obesity."

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