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Jun 12, 2009 -- Sunscreen necessary when getting any level of sun exposure

Summer's here -- Think you don't need sunscreen? Think again!

New stats show that only 1 in 4 men wear sunscreen when they're exposed for 4 hours or more. With women, it's a little less than half who will wear sunscreen. The real danger, however, comes when the parents of young children don't apply sunscreen to their kids.

Sunscreen does not have to be expensive. Clark always buys his at the dollar store, though one staffer on the show spent $22 on a bottle. Another spent $7.

When buying sunscreen, be sure to select one that's at least 15 SPF. You can go as high as 30; any higher than that probably won't be any more effective.

The key is to apply tons of the stuff and reapply as needed, especially after the pool or ocean -- even if it says it is waterproof.

Meanwhile, Christa warned people about the dangers of getting too much sun exposure on their arms and face while driving around in their cars. She uses a moisturizer with a built-in SPF 15 level of sunscreen protection.

Unfortunately, Clark won't be able to answer any questions submitted via commenting. If you have a question, please try posting it to our message boards.

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What others are saying

  • I'll take the Vitamin D!
    Clark: Love you man, but I must disagree with you on this one. I have been reading so much about Vitamin D and its benefits. I think sunburns are definitely bad, but limited exposure with more and more exposure as you tan is actually a good thing. The risk of other forms of more difficult cancers is far more important than the relatively minor concerns of two of the three types of skin cancers.
  • Enjoy
    Enjoy the outdoors, enjoy what God has created - we spend sooo much time worrying about our health that we forget to enjoy our life - remember the death rate is 100% - and I am over 50 and have seen too many "healthy" friends die to not realize that we have little control
  • UV vs Sun
    You only need about 10 min of sun (with UV) JUST on the palms of your hands to give you enough vitamin D. Vitamin D deficiency is a surprisingly complicated thing. I'm pretty sure that's the only reason you need the actual UV radiation from the sun. Sun is good in the mornings to help the ol' body clock reset or get going or whatever but you don't need the UV.

    Melanoma is definitely a concern, but frankly, sun exposure makes you look prematurely older. You'd think that'd be enough to get people to wear sunscreen in these superficial times...
  • Another Advantage of Sun
    I just returned from the Mayo Clinic. One of the health issues was insomnia. The doctor at the Mayo Clinic recommended atleast 45 minutes of sunlight first thing in the morning. This not only provides your body with essential Vitamin D, it also triggers your eyes and in turn your body to the fact that it is daytime. It helps to reset a body's internal clock. Since sensitivity to the sun was also one of the health issues, we were surprised at this recommendation. We were told that the early morning sun isn't as strong so it should be a problem. So far so good. He also stated that no artificial light will provide you with what you need. Bottom Line: Get up early, do your yard work or have a cup of coffee and relax.
  • Poor Sun
    When did the sun become our enemy? Last I checked, we have a huge vitamin D deficiency in this country, probably because people are scared to spend 5 minutes in the sun "unprotected". Goodness. Clark, wouldn't it be cheaper to wear long sleeves and pants all year than to keep buying sunscreen? Maybe you could get a full body suit to cover all exposed skin.
  • Chems in sunscreen
    Chemicals in all skin products, including sunscreen, are some of the most unregulated toxic exposures in America. We slather this stuff on with unpronouncable chems all over us continually, not knowing what this absorbsion is doing to us. Look it up online for some interesing insights to this basically unknown hazard we're exposing ourselves and our kids to every day, especially here in the South.
  • healthy sun exposure
    I heard your rant about always wearing sunscreen whenever you find yourself outdoors. As a member of the alabaster skinned community, I do use sunscreen whenever I plan to be out in the sun for an extended length of time (1 hour or more, usually SPF 50) and the sun will be striking my normally shielded skin. I also work outside, but refrain from using sunscreen during the course of the day, and instead rely on sleeves and hats to do most of the protecting. However I was a little disappointed in your characterization of sun exposure being a totally negative thing, as though any errant rays landing on unprotected skin would surely cause it to liquefy. Sunlight exposure in moderate doses is actually quite healthy, and causes your skin to produce vitamin D, which is hugely beneficial in regulating a number of body processes, and actually helps prevent and fight cancer. It's no surprise that in a society where a lot of people do as you stated and slather on the sunscreen whenever spending time outside, walking past a window, or standing in front of a picture of the sun, that MOST people are deficient in vitamin D. Yes, overexposure to sunlight can damage skin, but moderate exposure produces the means to counteract such damage. That's pretty groovy if you ask me, and the best part is it's free, which should tickle your jollies. I would really like it if you would not take my word for it, but instead did some research for a mini-presentation on your show so you can spread the word to a much larger audience than me. Thanks
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