Should you stop drinking cow's milk?

Lactose intolerance: a reality for many

Two-thirds of the world's population are lactose intolerant, meaning they have difficulty digesting the sugar found in cow's milk. This intolerance is more common in non-Western regions, but even in Northern Europe and North America, where intolerance rates are lower, the trend to reduce consumption of animal milk is on the rise. In France, more than one household in ten now prefers plant-based beverages, such as almond milk, even though some experts deem these alternatives not very nutritious and often costly in terms of natural resources.

Nutritional benefits called into question

Cow's milk has long been considered an indispensable source of calcium and protein. However, recent studies are calling into question its importance for adults. After the age of 2, it is no longer really necessary to consume milk for healthy bones.

Calcium can be found in plant foods such as kale, broccoli and arugula. The saturated fats in milk, once blamed for heart disease, have now been partially rehabilitated. A study published in the BMJ showed that there was no direct link between consumption of these fats and an increased risk of cardiovascular disease.

Environmental impact

The environmental impact of the dairy industry is another reason to question milk consumption. Cattle farming makes a significant contribution to greenhouse gas emissions, not least because of the methane produced by cows. In addition, intensive livestock farming requires large quantities of water and considerable agricultural land, contributing to deforestation and loss of biodiversity.

Alternatives: a false good idea?

Faced with health and environmental concerns, many people are turning to plant-based milks. But these alternatives are not always without their faults. Almond milk, for example, is criticized for its low protein content and the large amount of water required to produce almonds. Soy milk, meanwhile, can raise concerns due to the presence of phytoestrogens, compounds that can affect the hormonal system.

Despite this, they offer an interesting alternative to cow's milk, particularly for those seeking to avoid dairy products or following a vegan diet. Key benefits include their digestibility, especially for those who are lactose intolerant or allergic to cow's milk proteins. They are also low in saturated fats, which can help reduce cholesterol.

So should you stop drinking milk?

The answer to this question depends on your aspirations.

• If you're lactose intolerant or concerned about the environmental impact of dairy production, reducing your cow's milk intake may be a good idea. Plant-based alternatives may be an option, provided you check their nutritional content and environmental impact.
• For those who digest milk well and appreciate its benefits, there's no reason to eliminate it completely from your diet, especially if you opt for organic products.

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