Everyday Health on MSN

Why dehydration is still a risk during the wintertime

Surprising factors can increase your risk of dehydration in the winter. Here’s how to spot the signs you’re dehydrated and make sure you’re getting enough H2O when it’s chilly out.

Even mild dehydration can shrink your brain: Here's what you should do to prevent it

The brain is about 75% water, so it is very sensitive to changes in hydration. When a person does not drink enough water, the ...