Holick has a solution--limited direct exposure to the sun--that infuriates many dermatologists worried about the skin cancer risk. (A far better idea, they say: Take a supplement.) In 2004 he published his book The UV Advantage, touting the benefits of sun exposure, and was kicked out of the BU dermatology department, where he previously held a joint appointment.
Participants were under 55 to assure that aging effects were the result of sun exposure, not the natural aging process, Dr. Green said.
Initially, it is a soft, foul-smelling matter that floats on the ocean but through exposure to the sun and the salt water over years it turns into a smooth lump of compact rock which feels waxy and has a sweet smell.
Vitamin D is made in the skin after sun exposure and can be taken in dietary supplements.
But they warned people suffering from skin cancer could soon start pushing claims through the courts for a failure of the industry to protect them from the effects of over-exposure to the sun.
To encourage such developments the project's partners are trying to identify how the potency of herbs varies with exposure to the sun, the type of soil in which they are grown, and when and how they are harvested.
Sunscreen has long been touted as a way to stave off photoaging, or changes to the skin caused by sun exposure.
Nearly all skin cancers are preventable, however, by limiting unprotected exposure to the sun.
How much exposure to the sun or tanning beds did you have as a child and teenager?
With sun exposure, the skin may over time develop freckles, moles or lentigines.
How much exposure to the sun or tanning beds do you have now?
Exposure to the sun's rays normally generates Vitamin D in the skin, but applying sun block stops that process.
For example, many drivers simply have scalded their fingertips on start buttons that have been baking in exposure to the sun.
FORBES: Drivers -- But Not All -- Love Vehicles' Push-Button Starts
Light therapy (such as from exposure to the sun or another bright light) may also help get you back on track.
Owing to his arduous studies and constant exposure to the sun, his brain became affected to such a melancholy extent as to produce insanity.
However, too much sun exposure increases the risk of skin cancer.
As the author, Professor Bernard Stewart, an internationally-noted expert in cancer causation, points out, there is a remarkable scientific consensus on the causes of avoidable cancer, and they relate to lifestyle choices that people can actually do something about: smoking, poor diet, excessive drinking, obesity, physical inactivity, and exposure to the sun.
The university's Rowett Institute of Nutrition and Health suggested that promoting safe sun exposure and access to green areas during the summer months, including in the north of Scotland, would be a good strategy.
This is especially useful when photographing subjects that are backlit by the sun or lights to provide an even exposure.
ENGADGET: Nikon D3100 gets real, adds 1080p movie mode with continuous autofocus
But those of you lucky enough to enjoy a more southern exposure should spend 15 minutes in the sun every day without sunscreen.
FORBES: That Vitamin D You're Taking? It May Not Be What It Appears
And I've always emphasized that 85 percent of the causes of cancer are controllable by our diet, exposure to sun, smoking, drinking, etc.
While it appears to darken in the sun like Transitions eyeglasses, the trigger is heat not UV exposure.
FORBES: Dynamic Windows Improve Efficiency, Human Experience in Buildings
She added the best way to prevent melanoma was to avoid damage caused by too much sun exposure and sunbeds.
Results of an animal study published by Ohio State University researcher Qinghua Sun in late 2010 revealed that early exposure to fine particulates led to the accumulation of abdominal fat and insulin resistance in mice even if they ate a normal diet.
FORBES: Two New Reasons to Worry about Air Pollution: Obesity and Diabetes
应用推荐