Coffee Knowledge
Latest articles, industry insights and brewing guides
How Caffeine Doses Affect Your Proofreading Accuracy
A Tufts University study found caffeine boosts spotting complex grammar errors—but only at certain doses. Find your optimal intake here.
How Black Coffee Can Lower Stroke Risk — But Only Two Cups a Day
Drinking two cups of black coffee daily may reduce stroke risk by 14%, says Swedish research. More than that? No added benefit.
How Late Is Too Late to Drink Coffee Without Losing Sleep?
Even coffee at 3 PM can hurt your sleep. Research shows caffeine at bedtime or 6 hours earlier cuts sleep by over an hour.
How to Store Coffee Beans to Avoid Ochratoxin Risk
Coffee beans stored wrong can grow ochratoxin, a kidney-damaging toxin. Doctors and baristas advise buying small amounts and using airtight containers.
How Caffeine in Coffee Boosts Heart Health
A small Japanese study finds caffeine in coffee improves microvascular blood flow by 30%, potentially supporting better heart function.
6 Groups Who Should Limit Specialty Coffee Intake
Certain health conditions make heavy coffee consumption risky. Here are six groups who should avoid or limit daily coffee intake.
Can You Drink Coffee During Your Period?
Yes, but in moderation. Experts recommend limiting black coffee to 1–3 cups daily, and avoiding it during menstruation if you experience cramps or sensitivity.
Why Caffeine Boosts Women More Than Men Under Stress
A UK study found caffeine improves women’s performance more than men’s in high-pressure tasks—by 100 seconds in puzzle solving.
How Ethiopia’s Highest-Elevation Coffee Beans Are Born
Discover how coffee from Ethiopia’s Bale Mountains reaches specialty quality—grown at 2,000m, handpicked by 5,000 locals, and transported down Africa’s highest road.
Coffee vs Tea: What They Really Do for Your Body
Find out how much caffeine is in coffee and tea, their unique health benefits, and safe daily intake levels for men and women.
How to Use Black Coffee for Weight Loss
Drink hot black coffee at specific times and combine with light movement to support fat burn and metabolism—backed by timing, ratios, and activity.
How to Brew Great Coffee: 5 Key Tips from a Pro
Learn the five essential factors for brewing excellent coffee at home or in a café: freshness, grind, water, temperature, and gentle technique.
How Often Should You Clean Your Espresso Machine?
A 19-day experiment found that daily cleaning improves espresso flavor significantly compared to weekly or no cleaning.
Pour-Over Coffee: 13 Key Factors in Third Wave Brewing
Discover the 13 essential factors that influence pour-over coffee extraction, from water quality to brewer technique.
How Caffeine Affects Your Mind and Body: 8 Key Effects
Caffeine boosts memory, mood, and liver health. Learn the 8 proven ways coffee affects your brain and body, backed by science.
How Much Caffeine Are You Really Drinking Daily?
Find out the caffeine content in common coffee drinks and learn the safe daily limit for adults to avoid side effects.
7 Surprising Facts About Caffeine in Coffee
Learn how caffeine affects memory, workouts, and hydration — plus why espresso often has less than drip coffee.
How to Adjust Espresso Extraction Using EBF and Grind Size
Learn how to tweak espresso extraction using EBF ratios and grind size adjustments for balanced flavor and optimal TDS.
How Even Extraction Impacts Your Espresso Quality
Even extraction ensures balanced flavor. Learn how uneven particle sizes and brewing variables hide behind 'perfect' TDS and extraction rates.
Coffee Extraction Explained: Key Terms and Methods
Learn how to measure coffee concentration and extraction accurately, including TDS, ppm, and brew ratios for better-tasting coffee.