Avoiding Sun May Be as Dangerous as Smoking

Swedish researchers studied 30,000 women over 20 and found the nonsmokers who stayed out of the sun had a life expectancy similar to smokers with the highest sun exposure. The authors suggest that overexposure should be avoided, but underexposure may be more dangerous than people think. Exercise and lifestyle data were not considered and might have confounded these findings.…

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Double Benefit from Being Outdoors

Regular exercise, both moderate and vigorous, contributes to healthy hearts. Harvard researchers have found those who do vigorous exercise for three or more hours per week reduce their heart attack risk by 22%. This study also suggests it may be due in part to exposure to sunshine and the resulting increased vitamin D levels.PositiveTip: Enjoy the…

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