Rachel Weaver worked for the Forest Service in Alaska where she scaled towering trees to study nature. But in 2006, she woke ...

Add Yahoo as a preferred source to see more of our stories on Google. What does research say about this, how long do symptoms typically last and what can people who are still feeling out of sorts do?

Dizziness has many possible causes, which may relate to a person’s external environment, the medications they take, or an underlying condition. Dizziness refers to a range of sensations, such as ...