Coffee Knowledge
Latest articles, industry insights and brewing guides
Where Did Coffee Get Its Name? The Kaffa Story
The English word 'coffee' comes from the Ethiopian region of Kaffa, where legend says coffee was discovered in the 9th century.
Why Coffee Tastes Different to Everyone
Your coffee’s flavor is uniquely yours—here’s why taste perception differs and what shapes your personal coffee experience.
How Coffee Lowers Your Risk of Basal Cell Carcinoma
Drinking three or more cups of caffeinated coffee daily may reduce your risk of basal cell carcinoma by up to 20% in women and 9% in men.
How Coffee May Help Treat Depression and Boost Health
Research shows coffee lowers depression risk in women by 20%, aids weight control, improves male fertility, and may reduce skin cancer risk.
Why You Shouldn't Drink Boiler Water from Your Espresso Machine
Repeatedly boiled boiler water from espresso machines can produce harmful nitrates and damage your machine. Avoid drinking or using it for tea or cleaning.
Kidney Stone Risk: How Much Caffeine Is Too Much?
People prone to kidney stones should limit caffeine to less than two cups of coffee daily to avoid increased urinary calcium and stone risk.
How Coffee and Tea Benefit Heart Health
Coffee and tea both support cardiovascular health — filtered coffee doesn’t raise cholesterol, and both may help reduce coronary risks.
How Coffee May Help Lower Your Cancer Risk
New studies suggest coffee lowers risks for four cancers—especially with 3–6 cups daily. Here’s what the data says about breast, prostate, and skin cancers.
Does Coffee Worsen Tinnitus? What Science Says
Coffee and alcohol may worsen tinnitus symptoms, while smoking reduces oxygen to sensitive inner ear cells. Learn how lifestyle affects ringing in the ears.
Does Drinking Coffee Make Snoring Worse?
Research suggests regular caffeine intake may worsen snoring by affecting nighttime breathing. Here’s what sleep specialists say.
Drinking Coffee with Fast Food Doubles Health Risks
New research shows combining high-fat fast food with caffeine can spike blood sugar to diabetic levels—more than doubling the usual metabolic impact.
Drinking 4 Cups of Coffee Daily May Cut Diabetes Risk
Research from Huazhong University shows drinking around 4 cups of coffee per day may reduce diabetes risk by 50% by inhibiting harmful protein changes.
How Caffeine Worsens Premenstrual Syndrome Symptoms
German experts say caffeine worsens PMS symptoms like mood swings and breast tenderness—here’s what women with PMS should cut back on.
More Than Three Cups of Coffee Daily Linked to Rheumatoid Arthritis
Research suggests people drinking over three cups of coffee per day have a higher risk of developing rheumatoid arthritis compared to lighter drinkers.
Can Too Much Coffee Affect Male Sexual Performance?
Excessive daily caffeine from coffee or cola may suppress arousal and impair erections in men by overstimulating the sympathetic nervous system.
The Truth About Three-in-One Instant Coffee Risks
Three-in-one instant coffee contains high sugar and fat, low protein and caffeine. Learn why it's less nutritious than brewed coffee and who should avoid it.
Why Coffee Might Not Actually Wake You Up
Research shows coffee doesn’t boost motivation — it may even make driven people more sluggish. The effect depends on your energy level, not the caffeine.
How Coffee Affects the Effectiveness of Your Medications
Certain medications—including antidepressants and thyroid drugs—can interact with coffee. Here’s what the research says about timing and risks.
How Exercise and Coffee Together May Help Prevent Skin Cancer
Drinking coffee before or after workouts may lower your risk of skin cancer, especially when combined with regular exercise, according to a US study.
Can Too Much Coffee Cause Atrial Fibrillation?
Excessive caffeine, alcohol, or stress may trigger atrial fibrillation. Experts say up to 1% of people in China now have AFib, including young adults.