Caffeine is a mild stimulant that sparks the body's natural "fight or flight" response. Caffeine causes the adrenal gland to secrete fluid, which is why you feel a sudden rush after drinking a cup of coffee.

Irritable bowel syndrome, or IBS, is an intestinal disorder characterized by abdominal pain, gas, bloating and altered bowel habits. People with IBS can have either constipation or diarrhea, and many individuals alternate between the two.

Caffeine and ephedrine are the primary ingredients in many popular diet and weight loss pills. Caffeine and ephedrine work individually and together to stimulate your central nervous system. The two ingredients can suppress your appetite, give you energy and increase thermogenesis which helps you burn fat.

Caffeine stimulates the central nervous system and it is often consumed to feel more awake and alert. It can have several effects on the body, including altering the breath rate, which may be a concern especially for those with lung disorders.

While some people enjoy the stimulation they get from drinking a cup of coffee, others may feel overly stimulated. If caffeine is more foe than friend, you may be looking for ways to flush it out of your system. Unfortunately, you can't flush caffeine out of your body.

The mixture of caffeine and alcohol can be toxic to your body. Caffeine appears to override the tiredness that occurs when you drink alcohol. It also delays your feeling of drunkenness. If you drink alcohol while taking caffeine pills, you are likely to keep drinking beyond your usual limits.

Caffeine is a mild stimulant found not only in coffee but in at least 63 plant species and in pain relievers, diuretics and prescription medications. Because, as the U.S.

Soda is big business, especially when it comes to soda consumption by children and adolescents. Research from the UCLA Center for Health Policy Research in 2009 showed 41 percent of children and 62 percent of adolescents drink at least one soda every day.

Caffeine is a stimulant found in coffee, tea, energy drinks, soft drinks, chocolate, frozen desserts, gum and some over-the-counter drugs.

Tea, coffee, chocolate and cola soft drinks contain caffeine. Caffeine enervates the central nervous system with a stimulant effect. It can have a wide range of effects on the body. The side effects caffeine causes in the breasts do not typically require any treatment, notes the University of Rochester Medical Center.

If you notice your heartbeat quicken after drinking a can of cola, it may not be your imagination. Some soft drinks contain caffeine, which is a natural stimulant that can affect your heart rate.

Caffeine is a stimulant that occurs naturally in foods such as coffee, chocolate, tea and kola nuts -- although it is also an additive in some foods, medications and supplements. Caffeine is acidic and bears a bitter taste.