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  2. What Causes Hypnic Jerks (Sleep Starts)? - AOL

    www.aol.com/causes-hypnic-jerks-sleep-starts...

    Small lifestyle changes, like decreasing caffeine intake, can drastically improve your hypnic jerks. For most adults, 400 mg of caffeine is the recommended daily limit. That equates to about three ...

  3. How much caffeine is too much? - AOL

    www.aol.com/finance/much-caffeine-too-much...

    Headaches. Dizziness. Fast heart rate. Anxiety. A feeling of unhappiness (dysphoria) Dependency, so you need to take more of it to get the same results. When does caffeine become dangerous to your ...

  4. Caffeine dependence - Wikipedia

    en.wikipedia.org/wiki/Caffeine_dependence

    Caffeine dependence can cause a host of physiological effects if caffeine consumption is not maintained. Commonly known caffeine withdrawal symptoms include headaches, fatigue, loss of focus, lack of motivation, mood swings, nausea, insomnia, dizziness, cardiac issues, hypertension, anxiety, and backache and joint pain; these can range in severity from mild to severe. [18]

  5. Caffeine - Wikipedia

    en.wikipedia.org/wiki/Caffeine

    Caffeine sometimes increases the effectiveness of some medications, such as those for headaches. [164] Caffeine was determined to increase the potency of some over-the-counter analgesic medications by 40%. [165] The pharmacological effects of adenosine may be blunted in individuals taking large quantities of methylxanthines like caffeine. [166]

  6. 12 Foods That Can Cause a Headache or Migraine - AOL

    www.aol.com/12-foods-cause-headache-migraine...

    2. Chocolate. Here’s yet another of the fine things that make life nice, but is actually bad news. That chocolate bar you had may be the cause of that throbbing headache you have.

  7. Caffeinism - Wikipedia

    en.wikipedia.org/wiki/Caffeinism

    Caffeinism is a state of intoxication caused by excessive consumption of caffeine. This intoxication covers a variety of unpleasant physical and mental symptoms associated with the consumption of excessive amounts of caffeine. [1] Caffeine is considered one of the most widely consumed drugs around the world. Around 80% of the world population ...

  8. 13 Types of Headaches and How to Treat Them - AOL

    www.aol.com/13-types-headaches-treat-them...

    Discover the main types of primary and secondary headaches and their symptoms. Knowing the type of headache you have helps you get the right relief. 13 Types of Headaches and How to Treat Them

  9. Caffeine-induced anxiety disorder - Wikipedia

    en.wikipedia.org/wiki/Caffeine-induced_anxiety...

    Caffeine-induced anxiety disorder is a subclass of the DSM-5 diagnosis of substance/medication-induced anxiety disorder. [1] Consumption of caffeine has long been linked to anxiety. [2] The effects of caffeine and the symptoms of anxiety both increase activity within the sympathetic nervous system. Caffeine has been linked to the aggravation ...