Add Yahoo as a preferred source to see more of our stories on Google. Got a question about survival? Send it to Backpacker. I’ve always heard that hikers should “drink to their thirst,” but how long ...

Did a recent study actually find that chemicals in sunscreen can enter the bloodstream? What does that mean for consumers? A study published in the Journal of the American Medical Association did find ...

“Thirdhand smoke” (THS) refers to residues of nicotine and other harmful chemicals from tobacco smoke that absorb into indoor surfaces, furniture, carpets, bedsheets, skin, and pet fur. THS residue ...