Coffee Knowledge
Latest articles, industry insights and brewing guides
How Your Coffee Preference Reveals Your Personality
A US psychologist found that your favorite coffee style—black, creamy, sweet, or instant—can reveal key traits about your personality.
When Should Women Drink Coffee for Health?
Timing matters: women should avoid coffee before meals or in excess. Best consumed after eating, and limited to 2–3 cups daily.
How Coffee and Beer Affect Your Brain Differently
Coffee boosts focus and energy, while beer may spark creativity but impair memory. Here’s what science and doctors say about both.
How Drinking Coffee May Lower Your Risk of Liver Cancer
Drinking coffee may reduce your liver cancer risk by helping prevent diabetes and improving liver enzyme levels. Here’s what the science says.
Best Times of Day to Drink Coffee for Maximum Alertness
Science says your body’s cortisol cycle dictates coffee timing. The best hours to drink coffee for a real boost are between 9:30am and 11:30am.
Roasting Coffee Releases Carcinogen Benzopyrene
Yes, roasting coffee beans produces benzopyrene, a known carcinogen also found in asphalt and car exhaust. Here’s what we know.
How One Cup of Coffee Boosts Blood Flow
Drinking one caffeinated coffee improves finger circulation by 30% within 75 minutes, a Japanese study found.
How Coffee Improves Your Ability to Process Information
Research shows caffeine boosts your ability to spot complex grammar and syntax errors—especially at doses of 200–400mg.
How Black Coffee Lowers 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.
Evening Coffee and Sleep: The Six-Hour Rule
Drinking coffee up to six hours before bed can reduce sleep by over an hour, a US study finds. Avoid caffeine after 5pm for better rest.
Drip Coffee May Improve Liver Function in Hepatitis C Patients
Drinking more than one cup of drip coffee daily may help hepatitis C patients maintain or lower ALT levels, supporting liver health.
How 19th-Century Doctors Used Black Coffee to Treat Coughs
Historical accounts show that 19th-century U.S. professors in Taiwan treated coughs with black coffee and sugar. Doctors say caffeine’s pain relief may help.
How Caffeine in Coffee May Boost Microvascular Health
A small Japanese study found caffeine in coffee improved microcirculation by 30%. Find out how it may support heart function.
How to Choose the Right Grind Size for Coffee
Learn how grind size affects coffee extraction, why over- and under-extraction happen, and what settings work for moka pots and pour-over.
Understanding Coffee Roast Levels: A Visual Guide
Learn the key differences between light, medium, and dark roasted coffee beans, including roast temperatures and flavor profiles.
How a Perfect Espresso Shot Is Extracted
Learn the full espresso extraction process: timing, flow, crema development, and ideal parameters for balanced shots.
Why Your Siphon Coffee Fails and How to Fix It
Fix common siphon brewing failures with these 5 key troubleshooting steps for better vacuum pot coffee.
How Roast Level Affects Coffee Extraction During Brewing
Learn why lighter roasts need hotter water and finer grind, while darker roasts require cooler temps and coarser grounds for balanced extraction.
How to Drink Espresso the Right Way
Good and bad espressos need different drinking approaches—learn when to sip, stir, or simply walk away.
How to Fix Sediment in French Press Coffee
Learn how to reduce coffee grounds in your French press with grind size, timing, and pouring techniques for a cleaner cup.