Headache

In medicine a headache or cephalalgia is a symptom of a number of different conditions of the head. Some of the causes are benign while others are medical emergencies.

Does the Location of a Headache Matter?

The location of a headache may be an important factor in identifying the cause of certain types of headaches, but not in all.

Headache Behind the Eyes: Understanding the Causes

Headaches in Children and Teenagers

What is Medication Overuse Headache?

Headache Related to Eye Problems

Can Contact Lenses Cause Headaches?

Cluster Headaches: Treatment and Prevention

Headache Evaluation in Children and Teenagers

Biofeedback Therapy for Headaches

See more featured articles »

What is Muscle Contraction Headache?

Migraine with Aura vs. Migraine without Aura

Frequent Headaches after a Traumatic Brain Injury

Latest Headache News and Research

Vitamin D levels in midlife tied to lower dementia risk marker

Having higher levels of vitamin D in the blood in middle age is associated with lower levels of tau protein in the brain, which is a sign of dementia, years later, according to a study published April 1, 2026, in Neurology Open Access, an official journal of the American Academy of Neurology.

1 Apr 2026

Mono infection associated with threefold higher multiple sclerosis risk

Having the disease infectious mononucleosis, often called mono, caused by the Epstein-Barr virus is associated with an increased risk of developing multiple sclerosis (MS), according to a study published on April 1, 2026, in Neurology® Open Access, an official journal of the American Academy of Neurology.

1 Apr 2026

Treating autonomic dysfunction can relieve symptoms of treatment-resistant depression

Consider a house with the water main half shut. The faucets sputter. The toilet runs all night. The garden wilts. You could call a plumber for the faucet, a landscaper for the garden, a different plumber for the toilet, and every one of them would fix something while fixing nothing.

31 Mar 2026

Hormonal contraception not associated with prevalence of idiopathic intracranial hypertension

Hormonal contraception, including birth control pills and intrauterine devices (IUDs), is not associated with an increased prevalence of a brain pressure disorder called idiopathic intracranial hypertension, according to a meta-analysis published on March 25, 2026, in Neurology, the medical journal of the American Academy of Neurology.

25 Mar 2026

People with type 1 diabetes face higher risk of developing dementia

Having type 1 diabetes is associated with a higher risk of developing dementia, according to a study published March 18, 2026, in Neurology®, the medical journal of the American Academy of Neurology.

18 Mar 2026

Scientists identify common symptom patterns in post-COVID-19 vaccination syndrome

A registry study across 14 Japanese clinics analyzed 179 cases of post-COVID-19 vaccination syndrome (PCVS) and identified 493 adverse events affecting multiple organ systems. Most symptoms appeared within 90 days, but some occurred much later, highlighting the need for continued vaccine safety monitoring and better clinical frameworks for persistent post-vaccination symptoms.

16 Mar 2026

Is it worth your time and money to set up an HSA?

When Mike McKee thinks about saving money for the future, he has a few priorities. Maxing out his retirement is one. Building up his kid's college fund is another.

16 Mar 2026

Romiplostim prevents chemotherapy-induced thrombocytopenia in phase 3 trial

Results from a global phase 3 clinical trial led by investigators at Mass General Brigham show that the medication romiplostim can effectively prevent chemotherapy from destroying platelet-producing bone marrow cells, a common complication known as chemotherapy-induced thrombocytopenia.

12 Mar 2026

The 0.05 EU/mg breakthrough: How Sino Biological ProPure™ is redefining the Ultra-Low Endotoxin standard

When we discuss bacterial infections, we often think of exotoxins—those soluble proteins actively secreted by bacteria—while overlooking endotoxins, which are more insidious but equally dangerous.

From Sino Biological Inc. 12 Mar 2026

Multiple concussions linked to slightly worse health in former college athletes

In former college athletes, having had three or more concussions was associated with slightly worse physical, mental, behavioral and cognitive health five years after graduation, according to an article published March 11, 2026, in Neurology, the medical journal of the American Academy of Neurology.

11 Mar 2026

Improving biological age gap may help protect long-term brain health

Improving the gap between your biological age and your chronological age is associated with a lower risk of stroke and improvements in signs of damage in the brain, according to a preliminary study released March 5, 2026, that will be presented at the American Academy of Neurology's 78th Annual Meeting taking place April 18-22, 2026, in Chicago and online.

5 Mar 2026

Youth football accounts for nearly one in five sports-related brain injuries

Youth football accounts for the largest share of sports‑related traumatic brain injuries (TBIs) in children and young adults, nearly one in every five TBIs, according to a preliminary study released March 4, 2026, that will be presented at the American Academy of Neurology's 78th Annual Meeting taking place April 18-22, 2026, in Chicago and online.

5 Mar 2026

Wearable sensors as a tool for MS monitoring

Wearable sensors may help identify people with multiple sclerosis (MS) who are more likely to have worsening disability and loss of brain volume, according to a study published on March 4th, 2026, in Neurology®, the medical journal of the American Academy of Neurology.

4 Mar 2026

Canadian wildfire pollution associated with increased stroke severity

Short-term surges in air pollution in New Jersey from the 2023 Canadian wildfires were associated with a higher stroke rate and more serious strokes, according to a preliminary study released March 3, 2026, that will be presented at the American Academy of Neurology's 78th Annual Meeting taking place April 18-22, 2026, in Chicago and online.

3 Mar 2026

Study finds association between groundwater age and Parkinson’s risk

People whose drinking water came from newer groundwater had a higher risk of developing Parkinson's disease than those whose drinking water came from older groundwater, according to a preliminary study released March 2, 2026, that will be presented at the American Academy of Neurology's 78th Annual Meeting taking place April 18-22, 2026, in Chicago and online.

2 Mar 2026

The surprising neurological benefits of GLP-1s

For people with chronic migraine, taking glucagon-like peptide-1 receptor agonists, or GLP-1 drugs, for other conditions such as diabetes and weight loss, was associated with fewer emergency department visits and hospitalizations overall, and with less need for medications used to stop and prevent migraine attacks, according to a preliminary study released March 1, 2026, that will be presented at the American Academy of Neurology's 78th Annual Meeting taking place April 18-22, 2026, in Chicago and online.

2 Mar 2026

NIH’s continued investment fuels TMJ pain research

Chronic pain is one of the most common health conditions worldwide. Back pain is the most frequently reported type, followed closely by head and face pain linked to the jaw joint, in the form of temporomandibular joint (TMJ) disorder.

27 Feb 2026

Solving the mystery of a year-long pain crisis

Taffy Hopkins, 73, was in debilitating pain for a year, leaving her bedridden. The Palm Beach resident had been told she was simply experiencing migraines, but the migraine medications did not work and left her suffering, with no answers in sight. After seeking care at NYU Langone Medical Associates—West Palm Beach, 1515 North Flagler Drive, she finally received a diagnosis—and relief.

26 Feb 2026

Rising vitamin K shot refusal increases newborn brain injury risk

Increasing numbers of parents are refusing vitamin K shots for their newborns, putting infants at greater risk of avoidable brain injuries, according to a preliminary systematic review released February 26, 2026, that will be presented at the American Academy of Neurology's 78th Annual Meeting taking place April 18-22, 2026, in Chicago and online.

26 Feb 2026

Morning chronotype and exercise associated with reduced ALS risk

Being an early bird, also called a morning person, and being more physically active are associated with lower risks of amyotrophic lateral sclerosis (ALS), according to a preliminary study released February 25, 2026, that will be presented at the American Academy of Neurology's 78th Annual Meeting taking place April 18-22, 2026, in Chicago and online.

25 Feb 2026