7 harmful effects  of Black Coffee 

Problems with sleep

Specialists advise against coffee before bed for a reason. Coffee is a terrific stimulant, but most people value its waking and keeping power. Consuming it before bed may cause insomnia or delayed sleep. 

Anxiety

Due to adrenaline release, coffee can create anxiety and severe jitters if consumed in excess. For caffeine-sensitive people, excessive coffee drinking might produce anxiety or anxiety attacks.

Digestive issue

Coffee is a laxative that stimulates bowel motions. If you have GERD or a sensitive digestive tract, excessive coffee consumption might cause indigestion, loose stools, or diarrhea. If this happens, try tea or cut back on coffee. 

Dependency

Research shows that caffeine induces the same brain chemical reactions as other opioids but does not promote addiction. However, chronic coffee usage can induce physical and mental dependence. 

High blood pressure and heart rate

As mentioned, coffee boosts attentiveness and wakefulness. Coffee can elevate blood pressure and heart rate if consumed excessively or sensitively. Chronic coffee use may induce hypertension or heart rhythm issues.

Promotes Heart Palpitation

Many coffee consumers get palpitations and heart arrhythmias, which are intoxication signs.Some people can drink 10 cups of coffee a day, whereas others have palpitations from one. Drink tolerance is individual.

Promotes Sweating

Coffee increases sweating, which is common among sensitive people. Due to central nervous system effects. Caffeine boosts heart pounding and blood pressure, improving energy supply.

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