June 9, 2015 The BPA Saga Continues... Health

The BPA Saga Continues…

With something somewhere between disgust and resignation, I must report to you that BPA, the ambiguously-toxic (or is it safe?) wonder chemical found throughout our plastics and thus our bodies, is once again back in the news (more...)...

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July 30, 2009 Hypoxic Interval Training? Health

Hypoxic Interval Training?

I was reading an article in this month’s Backpacker magazine about thirteen-year-old Jordan Romero, who is on a quest to be the youngest person ever to climb the so-called Seven Summits. While there’s certainly no lack of controversy about Jordan’s story (he summited Aconcagua at 11, and has plans to top Everest next), what got (more...)...

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May 8, 2008 Female Athletes and ACL Tears Health

Female Athletes and ACL Tears

The New York Times is running an article on the epidemic of ACL tears and other injuries in U.S. female athletes. Female participation in sports in this country is exploding, credited in part to a 1972 law, TITLE X, which mandated equal opportunity in sports to female athletes. As more and more girls and young (more...)...

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August 7, 2007 How Toxic is Your Sunscreen? Health

How Toxic is Your Sunscreen?

If you’re like me—fair-skinned, that is—you’ve probably discovered that sunscreens don’t all perform the same. I can put on a thick layer of SPF 50 and still get torched. No, it’s not just that sunscreens tend to wash off as you sweat: some just don’t work that well. Many formulations only give SPF ratings for (more...)...

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March 22, 2006 National Geographic Returns to Chernobyl Health

National Geographic Returns to Chernobyl

If you’ve found the Ghost Town/Kid of Speed entry on my links page, you may have guessed I’m fascinated with Chernobyl, site of the world’s worst nuclear accident. In the April issue, National Geographic Magazine returns to the site of the disaster 20 years later with a compelling look at Chernobyl, past, present, and future (more...)...

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About SierraDescents

When there is snow, SierraDescents is Andy Lewicky's California backcountry skiing and mountaineering website. Without snow, sierradescents becomes an ill-tempered hiking and climbing blog.

Pray for snow.