Photo Credit:nutritionbeast.com
Figure A shows arteries in the fingers (digital arteries) with normal blood flow. The inset image shows a cross-section of a digital artery. Figure B shows fingertips that have turned white due to blocked blood flow. Figure C shows narrowed digital arteries, causing blocked blood flow and blue fingertips. The inset image shows a cross-section of a narrowed digital artery.
'While it has long been known that chemotherapy drugs and beta-blockers can induce Raynaud phenomenon, a recent examination of available literature has revealed new insights into effects of drugs on the condition. A broad variety of drugs pushed by the pharmaceutical industry are now emerging as potential causes of the disease.'
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