Shining health

日期:2018-02-06 02:22:11 作者:诸厶 阅读:

THE old maxim that sunshine makes you feel better has been backed by the finding that ultraviolet B radiation can lower your blood pressure. A team led by Rolfdieter Krause of the Free University of Berlin compared the effects of UVB and UVA radiation on 18 patients with mild hypertension. The researchers found a significant drop in the blood pressure of those receiving UVB (The Lancet, vol 352, p 709). However, there was no change in the UVA group. The researchers suggest UVB may affect blood pressure by raising levels of vitamin D3. Too little of this vitamin may lead to abnormal blood calcium levels,