Different skin tones need different amounts of UV light to activate vitamin D in the skin.
UV ratings indicate risk of skin damage – but they're based on pale skin. New wrist bands designed for six different tones of skin provide a more personalised way to track safe UV exposure.
Largest ever clinical study shows no benefit of vitamin D in preventing bone fractures.
Vitamin D could help the 20m children worldwide who suffer from acute, severe malnutrition.
Multiple studies have found links between vitamin D and autism, but nothing is conclusive yet.
Autism and vitamin D: an in-depth look at what the new study actually found.
Every woman and her disease are different, and each will respond in her own way to different types of foods.
There's some logic in eating and avoiding certain foods if you have endometriosis. And there are some studies that confirm this logic, but then others seem to refute it. And everyone is unique too.
Six scientists on the supplements they take every day and why they take them.
There are many health benefits to kids playing outdoors, not the least of which is preventing myopia.
Kids need to play outside for a number of reasons, but there may even be benefit for their eyes. Here's how sunlight helps prevent nearsightedness, or myopia.
Vitamin D comes in two forms: D2 and D3. Until now, they were believed to be equal. A new study casts doubt on that belief.
Back in business?
Something exciting is going on – no thanks to the supplements industry.
Many foods are rich in vitamin D.
New research has linked vitamin D to increased leg strength including power, velocity and jump height.
Vitamin D seems to play a protective role when the lungs are inflamed and infected.
Asthmatics given vitamin D had fewer severe attacks that needed treatment with oral medication.
Genes are important in predicting the risk of myopia, but they alone cannot explain the epidemic.
Kirkwall harbour, Orkney.
Orkney's ultra-high incidence has been linked to the weak northern sun. So how come the more northern Shetlands are less afflicted?
Vitamin D and fish oil are some of the supplements that can enhance effects of antidepressant medications.
Taking some nutrient supplements together with antidepressants can enhance the medication's effects, our new research has found.
Antiquated methods of treating TB included sunbathing. The modern-day equivalent is vitamin D supplements.
In countries such as South Africa with a high burden of TB and HIV, vitamin D could be an extremely effective and cheap weapon to include in the arsenal against TB and HIV.
A pair of lungs infected with TB.
There is an increasing focus on alternative treatment strategies, developed to treat other diseases and conditions but re-purposed to tackle TB.
Vitamin D by Shutterstock
Vitamin D is often seen as a harmless supplement to take – the more the better. But the evidence suggests a different picture.
While nutrient supplementation can have a role in treating certain psychiatric disorders, all kinds of nutrients should, in the first instance, be consumed as part of a balanced wholefood diet.
A growing body of research points to the detrimental effect of unhealthy diets and the protective value of healthy diets – along with select nutritional supplements as required – for maintaining and promoting mental health.
Allergies are becoming more frequent in the western world.
Allergies are reactions caused by the immune system as it responds to environmental substances that are usually harmless. But we don't yet have a cure or the ability to prevent them from developing.
A debilitating disease.
MS by Shutterstock
Prevalence of MS in some areas and not others have led researchers to investigate whether there's a link between the disease and a lack of vitamin D.