New! Sign up for our free email newsletter.
Reference Terms
from Wikipedia, the free encyclopedia

Anxiety

Anxiety is a feeling of worry, nervousness, or unease that arises in response to stress or perceived threats. It is a normal and often helpful emotional response that can prepare the body to deal with challenges or danger. However, when anxiety becomes persistent, excessive, or disproportionate to the situation, it may interfere with daily functioning and be classified as an anxiety disorder.

Common symptoms of anxiety include restlessness, rapid heartbeat, muscle tension, difficulty concentrating, irritability, and sleep disturbances. Physical symptoms can also include sweating, nausea, or shortness of breath. Anxiety disorders come in various forms, such as generalized anxiety disorder, panic disorder, social anxiety disorder, and specific phobias, each with its own set of triggers and characteristics.

The causes of anxiety are complex and can involve a combination of genetic, environmental, psychological, and neurological factors. Life events, trauma, chronic stress, or imbalances in brain chemistry may all contribute to its development. Diagnosis is typically made through clinical evaluation, and treatment options include therapy, medications such as antidepressants or anti-anxiety drugs, lifestyle changes, and stress-reduction techniques like mindfulness or exercise.

While anxiety can be overwhelming, it is also highly treatable. Increased awareness, early intervention, and a variety of therapeutic approaches can help individuals manage symptoms and improve quality of life. Ongoing research continues to deepen our understanding of anxiety and enhance treatment strategies.

Related Stories
 


Health & Medicine News

February 2, 2026

MMS has long been promoted as a miracle cure, but new research shows it’s essentially a toxic disinfectant. While it can kill bacteria, it only works at levels that also damage human cells and beneficial gut microbes. Scientists warn that homemade ...
Researchers studying nearly 2 million older adults found that cerebral amyloid angiopathy sharply raises the risk of developing dementia. Within five years, people with the condition were far more likely to be diagnosed than those without it. The ...
When the brain rests, it usually replays recent experiences to strengthen memory. Scientists found that in Alzheimer’s-like mice, this replay still occurs — but the signals are jumbled and poorly coordinated. As a result, memory-supporting brain ...
Middle age is becoming a tougher chapter for many Americans, especially those born in the 1960s and early 1970s. Compared with earlier generations, they report more loneliness and depression, along with weaker physical strength and declining memory. ...
Researchers found that small doses of an antibiotic can coax gut bacteria into producing a life-extending compound. In worms, this led to longer lifespans, while mice showed healthier cholesterol and insulin changes. Because the drug stays in the ...
Researchers in Bangladesh have identified a bat-borne virus, Pteropine orthoreovirus, in patients who were initially suspected of having Nipah virus but tested negative. All had recently consumed raw date-palm sap, a known pathway for bat-related ...
Statins are a cornerstone of heart health, but muscle pain and weakness cause many patients to quit taking them. Scientists have now identified the precise molecular trigger behind these side effects. They found that statins jam open a critical ...
Lowering salt in everyday foods could quietly save lives. Researchers found that modest sodium reductions in bread, packaged foods, and takeout meals could significantly reduce heart disease and stroke rates in France and the U.K. The key advantage ...
People who naturally stay up late may be putting their hearts under added strain as they age. A large study tracking more than 300,000 adults found that middle-aged and older night owls had poorer overall heart health and a higher risk of heart ...
Men start developing heart disease earlier than women, with risks rising faster beginning around age 35, according to long-term research. The difference is driven mainly by coronary heart disease, not stroke or heart failure. Traditional risk ...
A new drug developed by Australian researchers has shown promising results in reducing sepsis in a Phase II clinical trial involving 180 patients. The carbohydrate-based treatment works by calming a dangerous immune reaction that can cause organ ...
Researchers have discovered how pancreatic cancer reprograms its surroundings to spread quickly and stealthily. By using a protein called periostin, the tumor remodels nearby tissue and invades nerves, which helps cancer cells travel and form ...

Latest Headlines

updated 12:56 pm ET