Diseases, Conditions, Syndromes

Damage to vocal cords could cause long-term COVID symptoms

(HealthDay)—Nerve damage to vocal cords could be the reason why some people recovering from COVID-19 suffer mysterious bouts of shortness of breath for months after shaking off the coronavirus, researchers say.

Health

Too much sleep bad for brain, study says

Preliminary results from the world's largest sleep study have shown that people who sleep on average between seven to eight hours per night performed better cognitively than those who slept less – or more – than this ...

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