[DOC] [TLE] The headache caffeine connection  is caffeine a cause or a cure? [PAR] It also acts as a vasoconstrictor (constricts your blood vessels), as a diuretic, and 
it may ... This is compounded by the sugar added to coffee or found in colas. ... As 
a stimulant, especially combined with sugar, caffeine can pick you up but may... [DOC] [TLE] Does Caffeine Constrict Blood Vessels? | LIVESTRONG.COM [PAR] Apr 23, 2015 ... Caffeine can affect the body and brain in a number of ways. ... Blood vessel 
constriction, also known as vasoconstriction, is one of ... found naturally in tea 
leaves, kola nuts, cocoa beans and coffee, ... can cause withdrawal symptoms, 
including drowsiness, headaches ... Different Types of Stimulant Drugs. [DOC] [TLE] Why Do Headache Medications Contain Caffeine? - Livestrong.com [PAR] Aug 6, 2015 ... Changes in blood vessels, nerves or brain chemicals all possibly ... Caffeine is a 
central nervous system stimulant that is rapidly ... By itself, caffeine can relieve 
the pain of tension headaches. ... However, if you regularly drink coffee or tea, 
your caffeine tolerance ... Does Caffeine Constrict Blood Vessels? [DOC] [TLE] Best cure for migraine headaches may be a cup of coffee or two ... [PAR] May 14, 2010 ... Migraines... headaches you were born to have - and the best cure may be a cup 
of coffee or two .... It constricts blood vessels which can decrease pain. ... And it is 
a brain stimulant so it can help you think better if you're in a migraine fog. ... a 
study at a major university found that twice-weekly massage for... [DOC] [TLE] Caffeine and migraines | painACTION.com [PAR] Jul 29, 2008 ... Caffeine is also found in many over-the-counter pain medications as well as in ... 
compound, known as a stimulant, found in foods and beverages. ... So if blood 
vessels within the head begin to expand (dilate) as the ... of coffee) taken at the 
beginning of a migraine, can help reduce pain, more is not better. [DOC] [TLE] bodily interaction found to explain caffeine withdrawal headache [PAR] Apr 24, 1982 ... Adenosine in large amounts causes blood vessels to dilate and thus ... it helps to 
constrict painfully dilated blood vessels in the head. The M.I.T. studies explain 
how caffeine can be both a cause and a cure of headaches. ... coffee for a day, 
there is no fall in blood pressure,'' Dr. Wurtman said in an interview. [DOC] [TLE] 5 Experts Answer: Does Caffeine Cause or Cure Headaches? [PAR] Nov 2, 2011 ... Then when caffeine isn't consumed the result is that blood vessels dilate too ... 
have shown that caffeine from tea and coffee can cause rebound headaches. ... 
headaches that turn into daily headaches, found an association with caffeine. ... "
First, as it constricts cranial blood vessels, it can alleviate pain... [DOC] [TLE] Treating Caffeine Headaches Headache Austin [PAR] Caffeine happens to be a naturally occurring stimulant commonly found in ... 
Caffeine acts as any other stimulant by constricting your blood vessels and in ... 
headaches seem to get relief whenever they drink a cup of coffee or a can of 
soda. ... So we can generally say that as much as caffeine helps to constrict your 
blood... [DOC] [TLE] What's wrong with too much caffeine? | Big Picture [PAR] This stimulant is found naturally in over 60 plant species  including coffee, tea, ... 
cold remedies, as it can help treat headaches by constricting blood vessels. [DOC] [TLE] Caffeine, what is it and How does it Effect Your Health - McVitamins [PAR] Caffeine can be found in coffee, tea, cola, cocoa, chocolate, energy drinks, and 
many ... Blood vessels on the surface of your body constrict to slow blood flow 
from cuts and ... headache, the caffeine will close down the blood vessels and 
relieve it. ... Herbal stimulants, which do not have caffeine, can have this same 
ability to... [DOC] [TLE] The Benefits of Coffee: What Your Brain Does on Caffeine - Bulletproof [PAR] Learn more about the sourcing, science, & benefits

Question: This stimulant found in coffee can ease headaches by constricting blood vessels
Answer: caffeine