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Monday 18 Jan 2016 - 20:19 Makkah mean time-8-4-1437
Image from Independent
Edinburgh, (IINA) - In a study, by a medical team in Edinburgh, volunteers were asked to cycle for 20 minutes. They were then given either a placebo or vitamin D and, two weeks later, were asked to cycle for 20 minutes again, Mail Online reported.
Those who had taken the vitamin D were able to 'cycle longer with less effort' and showed diminished levels of the stress hormone cortisol, which can also cause raised blood pressure as it narrows blood vessels.
Vitamin D deficiency is a peculiarly contemporary phenomenon. The most efficient way of absorbing what is an essential vitamin is through sunlight directly on the skin.
But, in our bid to avoid sun damage - a contributory cause of both skin cancer and premature ageing - many of us just don't get enough.
Though the Scottish study only had 13 participants, its lead author, Dr Emad Al-Dujaili, of Queen Margaret University, is convinced of its importance.
'Vitamin D deficiency is a silent syndrome linked to insulin resistance, diabetes, rheumatoid arthritis, and a higher risk for certain cancers,' he said.
SM/IINA
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