Question 1

can caffeine cause anexity?

Accepted Answer

Hmmm...: What do you mean by anxiety?  In my way of thinking, caffeine (espcially in normal amounts) as a drug does not have the pharmacological property of causing ANXIETY.  However, EXCESS caffeine usage in an individual can, by a different number of ways (i.e. too much as in Energy drinks, withdrawal as in cutting back or sudden cold turkey) cause jitteriness, nervoussness, shakiness, etc.

Question 2

can caffeine cause freckles?

Accepted Answer

No: Freckles are caused by sun exposure.

Question 3

does consuming caffeine cause blurred visions?

Accepted Answer

No: Enjoy your coffee or whatever source of caffeine.  No testing, and there have been many, show an adverse effect of caffeine on the vision or health of the eye.

Question 4

what causes caffeine to take so long to take effect on me?

Accepted Answer

Caffeine metabolism: Caffeine is metabolized by a liver enzyme. If you have a particular common gene mutation what is known as a snp (single nucleotide) polymorphism) you may be a rapid metabolizer of caffeine, which means it gets broken down more quickly generally requiring you to have to take in more before feeling any effect. If you were a slow metabolizer you would feel the effect more quickly and stronger.

Question 5

can caffeine cause you to be itchy?

Accepted Answer

Uncommon: Caffeine being a stimulant could activate itching but would be an uncommon response. However if you demonstrate the effect repeatedly, it must be valid that it affects you in that manner and I suppose you could block the reaction by taking an antihistamine a half hour before drinking a caffeinated beverage.

Question 6

could caffeine cause weaker erection?

Accepted Answer

Poss.: Decrease blood flow to penis.

Question 7

can caffeine cause itching?

Accepted Answer

Yes: I have heard of this happening to others.

Question 8

can caffeine cause constipation?

Accepted Answer

Yes and not: Caffeine being a stimulant can cause you to have a bowel movement.  However it can cause dehydration and therefore lead to constipation.

Question 9

can drinking too much caffeine cause someone to be reckless?

Accepted Answer

No: You can't blame excess caffeine for making you reckless. Too much can make you jittery & nervous and give you heart palpitations and even a splitting headache but it can't make you reckless.

Question 10

can caffeine cause uti?

Accepted Answer

No: Utis are caused by bacteria.

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