The A-z to vitamin D
- The skin produces vitamin D in response to exposure to the ultraviolet radiation contained in natural sunlight.
- The rays can't pass through glass so you don't get the benefits sitting in your house or your car.
- Although vitamin D is found in eggs, milk and oily fish, it is almost impossible to get enough through your diet alone.
- Those with fair skin generate much more vitamin D than those with darker skins, which is why prostate cancer is so much more widespread among black men.
- Vitamin D is vital for the body to absorb calcium.
- Using a sunscreen blocks the body's ability to generate vitamin D by up to 95%.
- Your body cannot make too much vitamin D; it self-regulates and will only create what it needs. But it is possible to overdose on supplements.
- Press firmly on your sternum – if it hurts, it is possible you are suffering from chronic vitamin D deficiency.
- Vitamin D deficiency has also been linked to adrenal insufficiency; Alzheimer's disease; various allergies; autoimmune disorders, including multiple sclerosis and rheumatoid arthritis; cancers of the colon, breast, skin and prostate; depression; seasonal affective disorder (Sad); diabetes types 1 and 2; gluten intolerance; lectin intolerance; heart disease; hypertension; infertility; learning and behavioural disorders; misaligned teeth and cavities; obesity; osteoporosis; rickets (right); Parkinson's; PMS; and psoriasis.
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