ChatGPT Image Mar 19, 2026 at 11 45 42 AM

Should I take vitamin C to ward off colds, lower blood pressure or reduce cancer risk?

Vitamin C is one of the most iconic nutrients in popular health culture, often credited with preventing colds, boosting immunity and even fighting serious diseases.

But while it’s essential for our bodies to function, its benefits are often misunderstood or overstated. Before you stock up on supplements, here’s what to consider.

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U.S. Food Pyramid 2026

Prioritising protein? What the new US dietary guidelines get right – and wrong – according to 2 nutrition experts

Under the slogan “eat real food”, the new guidelines recommend people “prioritise protein at every meal”, eat full-fat dairy and plenty of whole grains, and limit ultra-processed foods. A new food pyramid has also been redesigned and flipped on its head. But are the guidelines based in good science? And how much has actually changed?

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Overweight obese young women

Making GLP-1 weight loss drugs cheaper isn’t enough to address America’s obesity problem – here’s why

Most patients with obesity and related health problems will likely need to use these medications indefinitely. According to emerging research, people who stop taking them typically regain the weight they lost. Realistically, very few people who take GLP-1 drugs can maintain their weight loss with lifestyle changes alone.

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Running fitness exercise

Five lifestyle changes that might help you live longer and slow down ageing

Society is fascinated with health, fitness and longevity. This obsession has spawned a multi-million pound industry centred around pushing the latest cutting-edge science, lifestyle modifications and products that claim to prevent ageing and live as long as possible.

But the secret to a long life doesn’t have to be so complicated. There are many simple things everyone can do to slow down time and feel younger.

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Tomatoes vegetables.

Antioxidants help stave off a host of health problems – but figuring out how much you’re getting can be tricky

Although your body produces some of these antioxidants, you can get them from the foods you eat, and they’re better for you than supplements.

In fact, researchers found that antioxidant supplements did not reduce deaths, and some supplements in excessive amounts contribute to oxidative stress, and may even increase the risk of dying.

In contrast, increased antioxidant intake from whole foods is related to decreased risk of death.

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