Diet

In the most comprehensive investigation of the ketogenic diet’s mental health effects yet, researchers pooled 50 studies spanning six decades to see what we actually know about its influence on mood. The results are a mix of promising and uncertain.

Fruit smoothies have become a huge trend in healthy lifestyle world – and for good reason. They are a quick source of vitamins, fiber, and antioxidants, and they take just a few minutes to make! Bananas are the number-one ingredient for a good smoothie. Creamy and naturally sweet, they seem to pair well with pretty much every other fruit ... or do they?

Scientists have identified a significant link between levels of choline and the prevalence of anxiety, suggesting that upping intake of this essential nutrient found in many foods could potentially improve symptoms of these debilitating disorders.

There's growing evidence that a Mediterranean diet can provide relief from symptoms of irritable bowel syndrome, offering people more variety, nutrients and easier adherence than the current restrictive frontline approach to manage the condition.

For the first time, scientists have used evidence-based research to rewrite the advice on what to consume to relieve constipation, doing away with the broad "high-fiber diet" mantra. And one food in particular stands out as being most effective.

For years, millions of people have sworn that gluten makes them ill – even if they've returned negative results when tested for coeliac disease. Now, researchers have found that it's far more complicated, and gluten itself may not be the culprit.

When choosing a protein powder, we want it to be low in sugar and carbs, and to taste good enough. We don't think that it might also be packed with dangerously high levels of lead – which, a new study finds, is exactly what is in many popular brands.

For the first time, scientists have used innovative tech to demonstrated that a healthy microbiome needs a consistent flow of the right foods, finally proving that the "hunch" advice of 5 A Day is spot on, as far as your gut bugs are concerned.

In a groundbreaking study, a healthy fatty acid in olive oil has been found to "supercharge" immune cells that fight cancer. Meanwhile, another kind of natural fat undermines the health of the same cells, killing them off and triggering inflammation.

Psoriasis may not have a cure, but significant relief might be found at the dinner table. A clinical trial has shown that the Mediterranean diet could dramatically improve symptoms, quality of life and overall health of those with the condition.

We've known for some time that obesity affects the brain, but now scientists have found that it's where you carry it that matters most. Deep visceral fat around organs has the biggest impact on brain aging, affecting a suite of cognitive functions.

A headline-grabbing study on apple cider vinegar has been pulled from the record, striking a blow to the science and wellness worlds. The research, which claimed that the tonic triggered massive weight loss, was found to be riddled with errors.