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Sometimes just looking at a person can give clues to their likelihood of developing long COVID after a bout with the virus.

For example, obese people are five times more likely to suffer long COVID symptoms that persist at least three months after their infection clears, a major new U.S. s...

The often debilitating condition known as chronic fatigue syndrome appears to be common among COVID-19 long-haulers.

That's the key takeaway from a fresh look at patients who continue to struggle with severe fatigue, poor sleep, brain fog, muscle aches and pains long after their initial -- and often mild -- COVID infection has otherwise resolved.

Researchers found that nearly half o...