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 ...

Toxic chemicals used to flame-proof plastic materials can be absorbed into the body through skin, via contact with microplastics, new research shows. The study offers the first experimental evidence ...

Most of us spend a lot of time thinking about what to eat, but very little thought goes into how our body actually absorbs ...

When you take aspirin for a headache, how does the aspirin know to travel to your head and alleviate the pain? The short answer is, they don’t. Molecules can’t transport themselves through the body, ...