Although we don't know a lot about the causes of Alzheimer's disease, the following conditions may raise your risk.

Using the wrong styling products and too-tight hairstyles are just two everyday activities that can cause thinning hair. Find out which bad hair habits you need to break.

Sleep deprivation now rivals obesity and smoking as our greatest public health crisis. Here's what everyone (including America's businesses) needs to do to help stop our massive sleep debt and get more shuteye.