Which coffee has the highest caffeine content?

What Kind of Coffee Has the Most Caffeine?Light Roast Vs. Dark Roast. …Know Your Beans. Coffeehouses often pride themselves on the types of beans they roast. …Understanding Brewing Techniques. Once the beans are roasted, long brewing times can also lead to more caffeine. …Staying Under the Limit. …

What drinks have the most caffeine?

What are the dangers of coffee?

Research Showing Harmful Effects of CaffeineMore than 4 cups of coffee linked to an early death. …Caffeine consumption may raise blood pressure. …Increased risk of heart attacks among young adults. …Caffeine linked to gout attacks. …Breast tissue cysts in women. …Caffeine could cause incontinence. …Caffeine may cause insomnia. …Caffeine can cause indigestion. …Caffeine can cause headaches. …More items…

What are the side effects of drinking too much caffeine?

Side Effects of Drinking Caffeine, According to ScienceA temporary spike in blood pressure. “Because caffeine is a stimulant, it increases your heart rate while it’s in your system,” says general practice physician, Leann Poston, MD.Headaches. Most people associate headaches with caffeine-withdrawal. …Anxiety. …Potential pregnancy complications. …Irritable bowel symptoms. …

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