Caffeine Effects: Withdrawal, Sleep & Health Impact

Caffeine impacts everything from sleep quality to concentration and heart rate. Learn how long withdrawal takes, the diuretic effects on the body, and the potential risks of taking caffeine tablets with medication or alcohol.

Young woman sitting outside cafe drinking coffee

Can Coffee Cause Bloody or Black Stools?

A cup of coffee can get your body's motor running to start the day or provide a boost when you're sitting through a dull, afternoon meeting at work. In addition to helping you feel mentally alert, coffee can affect the other end of your body.

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cold cola drink

Is Coke Good to Drink if You Have Diarrhea?

You might develop diarrhea for a number of reasons, including a bacterial or viral infection, food intolerance or a negative reaction to medication. Although certain dietary choices can help reduce symptoms, other foods can worsen your condition. It's best to skip the urge to drink a Coke when you have diarrhea.

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Hot Latte

The Effects of Caffeine on Bowel Movements

If you aren't able to have a bowel movement at least three times a week, you meet the clinical definition of being constipated. The solution, however, might be sitting in your kitchen cupboard or at the nearest coffee shop.

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Two paper coffee cups

How Well Does Coffee Keep You Awake?

It's well known that coffee is one of the most popular drinks in the world. More than 83 percent of American adults enjoy coffee in some form, according to 2013 data from the National Coffee Association. Coffee affects its drinkers differently, but a single cup can often help keep you awake for several hours.

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Cup of coffee

Does Caffeine Cause Diarrhea?

Drinking a cup of coffee won't likely force you to sprint to the bathroom, but too many cups in one day might give your stomach a gurgling feeling that indicates diarrhea is on its way.

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"Tea set,close-up"

Is Green Tea a Laxative?

If you enjoy occasionally sipping a cup of green tea to make you feel a little more alert during a dull afternoon at work, don't expect that you'll soon need to have a bowel movement. Although caffeine can promote bowel activity, tea doesn't typically have a laxative effect on your digestive system.

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