Drinking certain types of milk could be linked to increased risk of health issue, study finds

The study, conducted by researchers at Southern Medical University in Guangzhou, China, revealed a striking contrast between different milk choices and mental health outcomes.

Those opting for semi-skimmed cow's milk showed better mental health indicators, challenging common beliefs about plant-based alternatives being the healthier choice.

The findings, published in the journal Frontiers in Nutrition, emerge as plant-based milk alternatives have gained increasing popularity in the UK.

The research revealed that semi-skimmed cow's milk drinkers were 12 per cent less likely to be depressed and 10 per cent less likely to experience anxiety.

Scientists followed participants' diets and mental health for more than a decade to reach their conclusions.

The findings suggest that semi-skimmed milk contains more beneficial fats than skimmed milk while having fewer unhealthy fats than full-fat varieties.

Previous research has linked 'good fats' to increased production of serotonin, a hormone that can influence mood.

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The researchers theorised that semi-skimmed milk may occupy an optimal position for supporting mental health due to its particular fat content.

Writing in the journal Frontiers in Nutrition, the researchers explained: "Milk is a rich source of nutrients such as lactose, lipids, protein and minerals, which are essential for maintaining human health."

The team highlighted the specific benefits of semi-skimmed milk's composition.

"The fatty acid profile of semi-skimmed milk might provide greater cerebral [brain] protection compared to full cream milk and skimmed milk, thereby potentially reducing the risk of both depression and anxiety," they noted.

The scientists added: "These findings suggest that semi-skimmed milk may have a protective effect against these mental health conditions, presenting new prospects for dietary interventions."

Research has established that excessive saturated fat consumption may increase depression risk.

However, semi-skimmed milk contains lower levels of saturated fat compared to full-fat alternatives.

The trend towards plant-based alternatives has seen significant growth in the UK, with one survey suggesting around 600,000 people follow a plant-based diet.

Another study in 2021 indicated that nearly a third of Britons were using alternative milks.

However, recent research has raised concerns about the health implications of plant-based alternatives.

Studies have linked these drinks to blood glucose spikes, bloating, skin issues and protein deficiency.

Last month, reports emerged suggesting that trendy dairy alternatives could be contributing to rising cholesterol levels among young people.

The findings add to growing evidence that plant-based milk alternatives may not offer the same health benefits as traditional dairy products.