Avoiding sunlight may be as bad for health as smoking a pack a day

As most readers of this blog know, the current recommendations of the American Dermatology Association (ADA) call for pretty much no sun exposure of any skin areas unless those areas have been “protected” by sunscreen. The same recommendation applies to tanning beds and makes not distinction of a person’s place of living. In other words, … Read more Avoiding sunlight may be as bad for health as smoking a pack a day

The Sun may be a significant source of gamma-ray radiation

I like this study because, in the words of one of the authors, it reveals how little we know about the closest star to our planet. The current dogma is that gamma rays can only come from outside the Solar system, and are usually the result of supernova explosion somewhere in our (or outside of) … Read more The Sun may be a significant source of gamma-ray radiation