Lynne Peeples is a science journalist in Seattle, Washington. Near the end of his first series of chess matches against IBM’s Deep Blue computer in 1996, the Russian grandmaster Garry Kasparov ...

Hormone changes can make you tired before your period. Eating healthy foods and exercising can help reduce fatigue. Contact a doctor if your fatigue is persistent, extreme, or accompanied by other ...

Chronic fatigue syndrome (CFS) causes severe fatigue and cognitive difficulties without a known cure. Manage stress and know your limits to prevent CFS symptom flares. Medications and therapy can help ...

Low magnesium can cause muscle weakness, fatigue, and cramping. A poor diet and some medications can cause low magnesium levels. Around 50% of people in the U.S. do not get enough magnesium from food.

Brain fog describes mild and temporary problems with thinking, focusing, and remembering. Chronic pain, long COVID, and sleep deprivation are common causes of brain fog. Hormonal changes and stress ...