21.   Boris Yeltsin checked into a sanatorium Tuesday, a day after doctors ordered him to cancel yet another foreign trip because of high blood pressure and extreme fatigue.

22.   Boris Yeltsin checked into a sanitarium Tuesday, a day after doctors ordered him to cancel yet another foreign trip because of high blood pressure and extreme fatigue.

23.   Doctors ordered Russian President Boris Yeltsin to cancel a one-day trip to Austria because of extreme fatigue, the Interfax news agency said Monday.

24.   Doctors ordered President Boris Yeltsin to cancel a trip to Austria because of extreme fatigue and recommended he take a vacation, the Interfax news agency said Monday.

25.   Flu symptoms include fever, coughing and runny or stuffy noses, along with headaches, muscle aches and extreme fatigue.

26.   He had been in a rest home outside Moscow, recuperating from what his doctors described as extreme fatigue and unstable blood pressure.

27.   He was taken first to his hotel, where doctors initially diagnosed extreme fatigue and acute headaches, the hospital spokesman said.

28.   Health problems common among residents living near the crash site include nausea, headaches and extreme fatigue.

29.   Hypothermia is caused by severe loss of body heat, leading to extreme fatigue, drowsiness, disorientation, and sometimes death.

30.   Many suffer from extreme fatigue, joint and muscle pain, concentration and memory problems, rashes, fever, diarrhea and other chronic problems.