Nutritional Deficiencies

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An illustrated image of a young woman standing in a coffee shop, holds a cup of coffee in both hands, one with dairy milk, the other with plant-based milk.

Brewed awakening: how dairy in coffee chains is still harming the earth

More coffee chains are ditching the dairy surcharge—but not all are keeping up. This piece explores the hidden environmental cost of milk in your cup.

A person seems confused at conflicting advice about protein

Do vegans lack protein and amino acids? A balanced look at the evidence

It turns out that bold claims about protein tend to ignore the nuances in the research.

A stylized illustration features two golden spoons. The top spoon contains a scoop of white powder, and the bottom spoon holds two oblong capsules. These different presentations depict common ways that collagen and other supplements are available to consumers.

What is collagen and should you be supplementing it?

Is Collagen the secret to youthful skin and strong joints—or just hype? Let's see what the science says.

An illustration shows a variety of colorful fruits and vegetables arranged on a white surface. Carrots, leafy greens, bell peppers, mangoes, lemons, and eggs are visible. A person's hands rest on the table behind the produce. This selection of foods represents sources of vitamin A or foods relevant to a diet low in this nutrient, a topic discussed in this article.

There is no evidence that a low vitamin A diet might be beneficial for your health

Cutting out vitamin A isn’t a biohack—it’s a health risk with no scientific upside

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