headache

Guilford County encourages residents to learn about the difference in heat-related illnesses. Heat exhaustion occurs when the body loses an excessive amount of water and salt, typically due to profuse sweating. Heat stroke, the most severe heat-related illness, occurs when the body loses its ability to regulate temperature.

The vast majority of headaches are innocuous despite the misery they cause. But here are the red flag signs to watch out for in the rare case a headache points to a bigger issue.

Reports are on the rise of symptoms such as headaches, stomach problems and flare-ups of autoimmune disorders. Here's why chronic stress can make our bodies hurt, and what to do about it.

Novel migraine therapies could change how physicians treat these debilitating headaches. But they are likely to be expensive and the long-term side effects will not be known for some time.