Professor Whiteley said: “Sudden changes in temperature, such as when people enter a warm, central-heated building after being out in the cold, can cause thermal stress to the body.
“This means it must work harder to maintain a constant temperature. This thermal stress can have a direct effect on the viscosity of the blood, making it stickier and more likely to clot.”
What does the research say?
The UKHSA and the expert aren’t the only ones to highlight this risk, as research, published in the journal International Angiology, also warns that lower temperatures seem to be “significantly associated” with deep vein thrombosis (DVT).
This story originally Appeared on Express.co.uk