The headaches can be fleeting if exposure is brief -- or they can last all day. Why it hurts: Strong odors may activate the nose's nerve cells, which stimulate the nerve system associated with head ...

Of all the “aches,” a headache is probably the most annoying in terms of discomfort — it’s where your brain is, for Pete's sake, and it hurts. A headache happens when blood vessels, nerves, or muscles ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

A headache in the back of the head, also known as an occipital headache, can stem from various causes. Common culprits include tension headaches, migraines, and conditions linked to nerve irritation ...

After nine months of pregnancy, it’s exciting to meet your new baby. It’s also a relief to finally say goodbye to some of those annoying pregnancy symptoms. Unfortunately, you may be saying hello to ...

Headache is not a direct side effect of Ozempic. Ozempic can cause dehydration in people with kidney problems and low blood sugar if you’re taking certain other medications. These issues can result in ...

Sometimes, earache and headache occur together. A few conditions can cause this, such as middle ear infections and migraine. The treatment for ear pain with headache depends on what’s causing it. Ear ...

If you have a headache with neck pain, it could be cervicogenic headache. This article summarizes symptoms and whether ...

Sulfites have been a popular scapegoat for all sorts of ailments since it became mandatory in the 1990s to label them on wines in the U.S. However, not much evidence links sulfites directly to ...

Dry eye occurs when your eyes don't produce enough tears or when tears evaporate (dry up) too quickly. Your eyes may feel "dry," become red and irritated, and your vision may blur. While dry eye doesn ...