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Fasting headache, weight loss, and dehydration.
Headache 1999; 39(3):225-7H

Abstract

Recently, we showed that fasting is a strong headache precipitator unrelated to coffee, tea, or smoking withdrawal or to oversleeping. In the current study, we evaluated the role of dehydration as a possible precipitator of fasting headache. The effects of a 25-hour fast of the Jewish Yom Kippur (Day of Atonement) were studied in women who participated in our previous Yom Kippur study. We asked the subjects to weigh themselves at the beginning and at the end of the Yom Kippur fast, assuming that the weight loss would largely reflect dehydration. In all but 1 of the 56 participants, the fast resulted in weight loss but only 28 (50%) reported headache. The average weight loss was 1.4 +/- 0.8 kg in those who developed headache and 1.2 +/- 0.5 kg in those who did not. This small difference was not statistically significant. We conclude that dehydration, as reflected by acute weight loss, is an unlikely cause of headache during a single day of fasting. The mechanism of fasting headache remains unclear.

Authors+Show Affiliations

Department of Neurology, Sourasky Medical Center, Tel Aviv, Israel.No affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

15613218

Citation

Mosek, A, and A D. Korczyn. "Fasting Headache, Weight Loss, and Dehydration." Headache, vol. 39, no. 3, 1999, pp. 225-7.
Mosek A, Korczyn AD. Fasting headache, weight loss, and dehydration. Headache. 1999;39(3):225-7.
Mosek, A., & Korczyn, A. D. (1999). Fasting headache, weight loss, and dehydration. Headache, 39(3), pp. 225-7.
Mosek A, Korczyn AD. Fasting Headache, Weight Loss, and Dehydration. Headache. 1999;39(3):225-7. PubMed PMID: 15613218.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Fasting headache, weight loss, and dehydration. AU - Mosek,A, AU - Korczyn,A D, PY - 2004/12/23/pubmed PY - 2008/8/30/medline PY - 2004/12/23/entrez SP - 225 EP - 7 JF - Headache JO - Headache VL - 39 IS - 3 N2 - Recently, we showed that fasting is a strong headache precipitator unrelated to coffee, tea, or smoking withdrawal or to oversleeping. In the current study, we evaluated the role of dehydration as a possible precipitator of fasting headache. The effects of a 25-hour fast of the Jewish Yom Kippur (Day of Atonement) were studied in women who participated in our previous Yom Kippur study. We asked the subjects to weigh themselves at the beginning and at the end of the Yom Kippur fast, assuming that the weight loss would largely reflect dehydration. In all but 1 of the 56 participants, the fast resulted in weight loss but only 28 (50%) reported headache. The average weight loss was 1.4 +/- 0.8 kg in those who developed headache and 1.2 +/- 0.5 kg in those who did not. This small difference was not statistically significant. We conclude that dehydration, as reflected by acute weight loss, is an unlikely cause of headache during a single day of fasting. The mechanism of fasting headache remains unclear. SN - 1526-4610 UR - https://www.unboundmedicine.com/medline/citation/15613218/Fasting_headache_weight_loss_and_dehydration_ L2 - https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0017-8748&date=1999&volume=39&issue=3&spage=225 DB - PRIME DP - Unbound Medicine ER -