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  1. Hace 11 horas · Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a debilitating long-term medical condition.People with ME/CFS experience delayed worsening of the illness after minor physical or mental activity, which is the hallmark symptom of the illness. Other symptoms are a greatly reduced ability to do tasks that were previously easy, severe fatigue that does not improve much with rest, and ...

  2. en.wikipedia.org › wiki › TinnitusTinnitus - Wikipedia

    Hace 11 horas · Medical condition Tinnitus Pronunciation / ˈ t ɪ n ɪ t ə s t ɪ ˈ n aɪ t ə s / Specialty Otorhinolaryngology, audiology, neurology Symptoms Hearing sound when no external sound is present Complications Poor concentration, anxiety, depression Usual onset Gradual Causes Noise-induced hearing loss, ear infections, disease of the heart or blood vessels, Ménière's disease, brain tumors ...