Hand tremors can occur for a variety of reasons. Everything from muscle spasms to disease could be to blame. However, substances like caffeine may also be the cause. If you develop hand tremors, see your doctor for an accurate diagnosis, regardless of whether or not you think caffeine is the culprit.
Caffeine
Caffeine is a substance that occurs in nature. It's produced by plants and is inherently present in chocolate, coffee and tea. However, it is also added to energy drinks, sodas and pain killers. Caffeine is a drug that stimulates the central nervous system, producing feelings of alertness and improved mood.
Effects
Caffeine can produce numerous effects in the body. Consuming between 200 and 300 mg of caffeine a day should not cause anything out of the ordinary. Typical reactions include feeling awake, more alert and having an improved mood. Caffeine is often added to nutritional supplements to improve athletic performance because it relaxes smooth muscle tissue and boosts the productivity of cardiac muscle, according to the National Center for Biotechnological Information.
Tremors
Those who consume too much caffeine or who have a caffeine sensitivity may suffer from hand tremors. They can affect the arms as well. However, the tremors usually don't come alone. Other negative caffeine side effects include dizziness, headaches, anxiety and heart palpitations. Stomach upset is also possible, according to TeensHealth from Nemours.
Prevention
To prevent hand tremors caused by caffeine consumption, try to limit the amount you have per day. If you start to get shaky after three cups of coffee, try not to have more than one or two per day. The same goes for sodas, energy drinks and even chocolate. Most people don't have to cut out caffeine entirely. Rather, they just need to consume it in moderation.
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