A Harvard researcher has sparked controversy by claiming that three popular fruits can be detrimental to health due to their high sugar content. Dr. Nick Norwitz, a metabolic health researcher, warns of the dangers of mangoes, grapes, and jackfruit, citing studies that link excessive fructose consumption to obesity, cancer, and damage to the small intestines.
While some experts agree with Dr. Norwitz’s findings, others dispute his claims, highlighting the unique properties of different fruits that may interact differently with individuals. For example, a 2021 study published in Nature found evidence of excessive fructose consumption linked to obesity and colorectal cancer in mice fed high-fructose corn syrup.
However, this study’s results are not directly applicable to naturally occurring fructose in fruits, which is different from the highly processed fructose found in high-fructose corn syrup. In fact, many fruits like mangoes, jackfruit, and grapes have numerous health benefits, including high doses of vitamins A and C, fiber content, and antioxidants.
Dr. Norwitz’s warning about grape consumption highlights their potential to cause stomach upset and bloating if eaten excessively. However, moderate grape consumption has been shown to support heart health and improve memory. On the other hand, jackfruit is a good source of vitamin C and phytochemicals, which may have anti-cancer benefits.
While some experts take issue with Dr. Norwitz’s blanket statements about fruit being “natural and therefore healthy” or “contains sugar and therefore unhealthy,” others acknowledge that different fruits have unique properties that interact differently with individuals. Ultimately, a balanced diet that includes a variety of whole, nutrient-dense foods is essential for maintaining good health.
It is worth noting that the recommended daily intake of fruit is 1.5 to 2 cups per day, according to the United States Department of Agriculture. Moderation and awareness of individual nutritional needs are key when it comes to incorporating fruits into a healthy diet.
Source: https://www.dailymail.co.uk/health/article-14481877/Harvard-three-fruits-dangerous-health-weight.html