oxidative stress

[/ˌɒksɪdeɪtɪv ˈstres/]
nounpl: oxidative stresses
estresse oxidativo
1. A condition where there is an imbalance between reactive oxygen species (ROS) and antioxidants in cells, leading to cellular damage
Oxidative stress can damage DNA, proteins, and lipids, contributing to aging and disease.
O estresse oxidativo pode danificar DNA, proteínas e lipídios, contribuindo para o envelhecimento e doenças.
2. The physiological state resulting from excessive free radicals that exceed the body's antioxidant defense capacity
Regular exercise can help reduce oxidative stress in the body.
O exercício regular pode ajudar a reduzir o estresse oxidativo no corpo.
3. A molecular mechanism implicated in various pathological conditions including cardiovascular disease, diabetes, and neurodegenerative disorders
Researchers are studying how antioxidants can mitigate oxidative stress in Alzheimer's disease.
Os pesquisadores estão estudando como os antioxidantes podem mitigar o estresse oxidativo na doença de Alzheimer.
Oxidative stress is a prominent concept in both Brazilian and American biomedical research and health discussions. In Brazil, the term is widely used in medical, nutritional, and fitness contexts, often discussed in relation to antioxidant-rich foods and healthy lifestyle practices. In the USA, it's particularly emphasized in anti-aging, wellness, and preventive medicine discourse. Both cultures recognize it as a key mechanism in chronic disease pathophysiology.
Synonyms / Sinônimos
free radical damageROS imbalancecellular oxidative damageredox imbalance
Antonyms / Antônimos
antioxidant defenseredox balanceoxidative homeostasis

Regional Variations

General Brazilian
estresse oxidativo
Standard medical and scientific terminology used throughout Brazil
Rio de Janeiro
estresse oxidativo
Same as general Brazilian; no regional variation
São Paulo
estresse oxidativo
Same as general Brazilian; widely used in research institutions and medical centers
Portugal
stress oxidativo
Slight variation in spelling; more common in European Portuguese medical literature

Related Words

reactive oxygen species (ROS)antioxidantsfree radicalsredox statemitochondrial dysfunctioninflammationaging

Related Idioms & Phrases

combat oxidative stress
reduce oxidative stress
oxidative stress markers
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