Gastric surgery leads to malnutrition

Gastric bypass surgery may cause post-operation nutrient deficiencies that could lead to osteoporosis, according to US research.

The researchers retrospectively analysed levels of nutrients, such as calcium and zinc along with mineral and vitamin absorption in 43 gastric bypass patients. All were found to have deficiencies in nutrients, minerals and vitamins. The researchers proposed that a condition called intestinal bacterial overgrowth was occurring because of changes made to the gut during surgery. Pictured is a coloured scanning electron micrograph of calcium crystals.

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