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

November 1, 2026

A surprising new study suggests that eating peanuts every day could help support brain health and memory in older adults. Researchers found that consuming about two servings of unsalted, skin-roasted peanuts daily for 16 weeks improved insulin ...
A UCLA study found that long-term exposure to a common pesticide was linked to more than 2.5 times the risk of Parkinson's disease. Scientists also uncovered how the chemical damages brain cells and identified a promising way to protect ...
A massive study of nearly 486,000 adults found that regularly drinking tea was associated with an 11% lower risk of heart and blood vessel diseases. The lowest risk was linked to drinking roughly six to eight cups per day, with black tea showing ...
Scientists at the University of Virginia have developed a promising new strategy to fight glioblastoma, one of the deadliest and most difficult-to-treat forms of brain cancer. Their experimental approach combines focused ultrasound, tiny ...
Scientists have uncovered a hidden mechanism that allows high-cholesterol diets to undermine the body's natural cholesterol defenses, and blocking it dramatically lowered harmful LDL cholesterol in ...
Scientists at Johns Hopkins have uncovered a crucial missing link between a common gut bacterium and colorectal cancer, solving a mystery that has puzzled researchers for nearly two decades. The ...
Scientists have discovered a bizarre bacterial defense system that works almost completely backward from anything seen before. Unlike typical bacterial immune systems that keep a deadly toxin under ...
Scientists at Johns Hopkins University have uncovered a surprising process that helps humans develop sharp vision before birth, challenging decades of assumptions about how the eye forms. Using ...
A major international study found that a simple blood test could help predict Alzheimer’s-related cognitive decline years before symptoms appear, with the highest-risk individuals facing a 38% ...
A promising new study suggests that more than half of younger adults with type 2 diabetes could achieve remission in just six months through a combination of a low-calorie diet and structured exercise. Researchers found that 54% of participants ...
Scientists have uncovered hidden aggressive cancer cells in children whose tumors were previously considered lower risk, revealing why some cases of rhabdomyosarcoma become unexpectedly deadly. The discovery could help doctors identify dangerous ...
A surprising discovery at UC San Diego suggests that chronic lower back pain may become deeply embedded in the brain's sense of personal identity. Researchers found that movement-triggered pain activates a brain network associated with ...

Latest Headlines

updated 12:56 pm ET