The questionnaire covered demographic characteristics, common health issues (acne, impaired vision, dental caries, hair fall, headache, mood changes), lifestyle and habits (frequency and timing of meals, daily water intake, sleep hygiene, late night activities, music preferences, internet use, regular exercise, leisure activities, smoking, recreational drug use).
The other events were classified as unrelated or unlikely to the study (such as superficial wounds after falls, headache etc).
As many as 90% of all primary headaches including: migraine, tension type and cluster headache, fall under few categories.
Symptoms of headaches fall along a continuum ordered by their characteristics: the occasional tension headache is at one end and the migraine headache is at the other.
On that voyage, 190 passengers and 23 crew members fell ill, reporting headache, fever, nausea, vomiting, abdominal cramps and diarrhea.
Incidentally, the ratio fell sharply as headache frequency increased above once a month, which may support this argument: absenteeism, being much more visible than presenteeism, is far less tolerated by employers.
[Page C2.] Ratings Plunge for Network Reruns Ratings for repeats of the networks' series are mostly in free fall this summer, giving another headache to executives, who were already facing a sharp falloff in advertising dollars for this fall's programs.
On the other hand, the side effects, including dizziness, headache, and fall, could be minor when exposure includes low intensity and is of short duration.
There are chemicals in many commercial cleaners that could cause you to fall dizzy, get a headache, or worse.
One careful study of mobile-phone waves found a significant pattern of headaches, but it turned out the headache cluster fell in the control group those who had not been exposed to signals.
For much of the early Seventies, children and adults with a penchant for acid spent hours bouncing up and down busy roads until they either developed a headache or fell off.
