Alarmist headlines about cashews often focus on weight gain, kidney stones, or heart problems, but these claims can exaggerate the actual evidence. For most people, cashews are a nutritious food that can fit comfortably into a balanced diet when eaten in reasonable portions. They provide healthy fats, vitamins, minerals, protein, and fiber.

Cashews contain monounsaturated fats that can support healthy cholesterol levels, along with magnesium, copper, and zinc, which play important roles in normal body functions. Their protein and fiber can also help with fullness and digestion. Research on nuts more broadly has associated regular consumption with several measures of heart health, including healthier cholesterol levels and lower cardiovascular risk.

There are, however, some situations where caution is appropriate. People with tree-nut allergies should avoid cashews, while large portions may cause digestive discomfort for some people. Those who are prone to kidney stones may also need to discuss their intake with a healthcare professional because cashews contain oxalates. Store-bought cashews labeled “raw” are processed to make them safe, while truly raw cashews naturally contain a substance that can be harmful.

Overall, cashews do not automatically cause weight gain or unhealthy cholesterol levels, and many common warnings about them are overstated. For most people, a modest serving of unsalted cashews can be a convenient and nutritious addition to meals or snacks. As with any food, portion size and individual dietary needs are important.