Some signs of oxidative stress in the body include fatigue, memory loss, muscle and joint pain, decreased eye sight, and headaches, according to Dr. Donielle Wilson, ND, CPM, CNS. Sensitivity to noise, susceptibility to ... More » Health Conditions & Diseases

The human body produces antioxidant enzymes, such as vitamin E, zinc, arginine, vitamin C, vitamin A, taurine, creatine and selenium, to combat oxidative stress. However, when the condition worsens, a free radical attack... More » Science Human Anatomy

Frequent headaches, tremors, cold or sweaty hands, unexplained allergy attacks, and insomnia are some symptoms of stress, explains The American Institute of Stress. Additionally, stress causes increased or decreased appe... More » Health Conditions & Diseases Mental Health
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Common symptoms of neurological problems include headaches, numbness, memory loss, pain and muscle rigidity, explains North Shore-LIJ Health System. Tremors, seizures, balance problems, abnormal speech patterns and diffi... More » Health Conditions & Diseases

WebMD cites fatigue, stress, light sensitivity and lifestyle choices as common causes of minor muscle spasms in the eye. Most eye twitches are simply a nuisance, but in rare cases, they cause more serious effects or are ... More » Health Conditions & Diseases

Symptoms of depression can include difficulty concentrating, trouble remembering details, problems making decisions, fatigue, feelings of worthlessness or guilt, feelings of hopelessness or helplessness, pessimistic beha... More » Health Conditions & Diseases

Encephalitis can occur with few to no symptoms or with flu-like symptoms such as headaches, fever, muscle aches, joint pain and fatigue, according to Mayo Clinic. More serious cases of the disease may cause confusion, se... More » Health Conditions & Diseases