Side Effects of Daily Coffee Consumption

"Black coffee contains antioxidant polyphenols," says Melissa Prest, DCN, RDN, CSR, LDN.

It increases your consumption of polyphenols.

Coffee is good for the gut.

Studies show that coffee can reduce the risk of pancreatitis, gallstones, and gallbladder disease, says Lauri Wright, PhD, RDN, LD.

It improves alertness and concentration.

Caffeine increases norepinephrine and dopamine in the CNS, boosting alertness and motivation. Caffeine blocks fatigue-inducing adenosine.

It has a great nutrient profile.

"Adding cream and sugar to coffee makes it a dietary concern." Experts list 10 ways coffee makes you fat.

It decreases your risk of certain chronic health conditions.

Prest says coffee may reduce the risk of type 2 diabetes, Parkinson's disease, and Alzheimer's.

It can be addictive.

"Caffeine is a drug and can cause addiction," Caffeine withdrawal causes headaches, nausea, and constipation.

It reduces risk of liver disease.

"Coffee is liver-protective. 1-4 cups of coffee per day can help fight alcohol-related cirrhosis, non-alcohol-related fatty liver disease, liver cancer.

Excessive intake can interfere with good sleep.

Good quality sleep is important, and disrupting it can lead to heart disease and obesity.

It boosts your mood.

Coffee's caffeine boosts dopamine, which improves mood and happiness.

It may reduce risk of type 2 diabetes.

"Coffee's polyphenol chlorogenic acid, magnesium, and caffeine improve glucose metabolism and insulin sensitivity, reducing type 2 diabetes risk.

It can worsen GERD.

Stomach acid repeatedly enters the oesophagus in GERD. Some people get acid reflux from coffee.

It improves energy levels.

Coffee beans, tea leaves, and cocoa beans all contain caffeine. This stimulant helps us wake up in the morning and power through the afternoon slump.

It can be packed with added sugar.

"It's not the coffee itself that's a dietary concern, but the flavourings. Sugar, in packets, liquid, or flavoured syrups, is one of them "less

It increases anxiety.

Too much coffee increases anxiety and nervousness. Too much caffeinated coffee can raise heart rate, blood pressure, and stress hormones, increasing anxiety.

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