Natural supplements can be dangerously contaminated, or not even have the specified ingredients
More than two-thirds of Americans take dietary supplements. The vast majority of consumers – 84% – are confident the products are safe and effective.
They...
Herbal medicines may not help you lose weight
In a new study, researchers have conducted the first global review of herbal medicines for weight loss in 19 years, finding insufficient evidence to...
Why you need more vitamin D in the winter
Winter is upon us and so is the risk of vitamin D deficiency and infections.
Vitamin D, which is made in our skin following sunlight...
How much vitamin D is enough for you?
Vitamin D’s main function is to help the body absorb calcium.
Deficiency can cause delayed skeletal development and rickets in children and may contribute to...
Vitamin D may help boost protection against infections
In a new study, researchers have led the development of a new model for studying vitamin D's role in infection prevention.
They found that vitamin...
Vitamin D alone cannot prevent bone fractures
In a new study, researchers found that taking calcium and vitamin D together may help older adults curb the risk of a bone fracture,...
Vitamin E and vaping injuries: What’s safe in your diet is rarely safe in...
The Centers for Disease Control and Prevention recently announced a preliminary finding that implicates a vitamin E additive as the potential cause of lung...
Why vitamin K is so important to older people
Scientific research has shown that low vitamin K in the body is linked to chronic diseases that lead to disability.
In a recent study from...
Omega-3 may boost brain health in people with a common heart disease
Omega-3 fatty acids have drawn attention for their potential to keep people's thinking sharp as they age, and new research appears to support that...
Vitamin D may benefit people with skin cancer
In a new study, researchers found that vitamin D influences the behavior of melanoma cells in the lab by making them less aggressive.
They discovered...
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Harvard scientists confirm an important cause of grey hair
When Marie Antoinette was captured during the French Revolution, her hair reportedly turned white overnight.
In more recent history, John McCain experienced severe injuries as...
Scientists find the major cause of autism
In a new study, researchers discovered that autism is 80% reliant on inherited genes.
That means that environmental causes are only responsible for 20% of...
This study finds a new cause of autism
Autism affects 1 in 59 children and is 4 times more common in boys than in girls, and it is a developmental disorder.
People with...
These two types of drugs are linked to dementia
In a recent study from the University of East Anglia, researchers find that long-term use of anticholinergic antidepressants is linked to a higher risk...
This walking exercise can make older people healthy and fit
In a recent study from Shinshu University in Japan, researchers found an effective way to increase overall fitness and decrease lifestyle-related disease (LSD) through...