Published August 17, 2016

Your nose is alternating between stuffy and running. You're sneezing and coughing. And you're tired. You might assume you've picked up a cold. But it could be allergies. And with the season change approaching, it's important to know the difference.

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Published August 15, 2016

Last week, I celebrated my 70th. I started the party at 6:30 in the morning, as I set out on my bike from Genoa, Nevada. Then, over the next two days, I rode over the Sierras to Jackson, California. The trip was 95 miles and involved 4,500 feet of climbing. When I finally got to Jackson, I had a couple of beers and a big steak with a baked potato (and, yes, all the trimmings). Oh yes, and a couple of Advil! Why did I do it? For three reasons.

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Published August 12, 2016

I've written a lot about telomeres before. I'm fascinated by these little DNA caps, which shrink as we age. In fact, every time our cells divide, the telomeres get a little bit shorter. If they get too short, they disappear altogether, and then our DNA can begin to unravel. This is a key part of the aging process, as age-related stressors cause our cells to divide. Shortened telomere length has been implicated in a number of age-related diseases, including Alzheimer's, and even the common cold.

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