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09 May 2013 09:32
The sun's UV rays can reduce blood pressure, research has shown
New research suggests the advantages of the sun in cutting blood pressure counteract skin cancer risks. Nitric oxide, a compound that reduces blood pressure, appears in the blood thanks to the sun's ultraviolet (UV) rays, and Scottish researchers found the compound is linked to a drop in the threat of both heart attacks and stroke.
Experts from the University of Edinburgh took the blood pressure of 24 people who sat under UV lamps for two sessions of 20 minutes. In the first session, volunteers were exposed to the lamps' UV rays and heat, with the rays blocked in the second one so the skin was only exposed to the heat. Blood pressure fell significantly for an hour after exposure to UV rays but there was no change following the heat-only exposure.
Dr Richard Weller, senior lecturer in dermatology at the university, said the results suggested the advantages of sunlight to heart health "will outweigh the risk of skin cancer." He added: "The work we have done provides a mechanism that might account for this and also explains why dietary vitamin D supplements alone will not be able to compensate for lack of sunlight." The researchers said more investigations are needed but whether the guidelines on sun exposure are ultimately changed, the study is a useful reminder of the importance of
medical travel insurance when heading for sunnier climes.
29 September 2016
Tour operator Thomas Cook says its earnings are still being impacted by recent terror attacks.
28 September 2016
The English tourism industry is predicted to grow faster than the overall economy every year for the next decade, according to new research.
27 September 2016
Monarch Airlines says its flights are operating as normal amid fears the firm is in financial trouble.
24 September 2016
Slim people who look physically healthy may still be at increased chance of being diagnosed with bowel cancer if they have raised insulin levels, according new research.
23 September 2016
Theresa May is being urged to give the go-ahead for flights to resume between the UK and Sharm el-Sheikh by the head of the cross-party parliamentary group on Egypt.
22 September 2016
Budget airline Jet2.com is to open its first base in the south of England at Stansted.
21 September 2016
Smoking rates have dropped to the lowest level on record in England, new figures show, suggesting messages about the health effects of cigarettes are hitting home.
20 September 2016
Concerns have been raised over flight disruptions caused by heavy drinking among passengers.
17 September 2016
British Airways' decision to launch direct flights from London to Tehran earlier this month positions Iran as one of the hottest destinations to visit in 2017, according to experts.
16 September 2016
More than 100 flights have been cancelled as French air traffic controllers go on strike again.
15 September 2016
Two thirds of MPs would support an expansion at Heathrow.
14 September 2016
TripAdvisor is launching a new homepage, making the booking of holiday activities and tours even easier.