Coffee Knowledge
Latest articles, industry insights and brewing guides
Where Does Coffee’s Rich Aroma Really Come From?
The sweet floral scent of blooming coffee trees sets the stage for high-quality beans—here’s how coffee flowers, farming, and roasting create that rich aroma.
Chinese Liquor Meets Specialty Coffee in Five New Blends
Five specialty coffee drinks blending Chinese liquors like Shaoxing Huangjiu and Osmanthus wine launched by Pacific Coffee, now in select stores.
How Too Much Coffee Can Deplete Nutrients and Raise Estrogen
Drinking too much coffee can raise estrogen levels and cause nutrient loss through frequent urination, especially affecting women’s health and bone density.
Why Cappuccino Latte Art Is the Most Beautiful Coffee Drink
Cappuccino is famed for its layered design and taste. Every pour creates a unique latte art pattern—no two cappuccinos look alike.
Daily Coffee Habits Linked to Lower Mortality in Older Adults
A U.S. study of 400,000 seniors found those drinking multiple cups of coffee daily had lower death rates than non-drinkers, once lifestyle factors were adjusted.
How to Make the Perfect Espresso Shot
Learn why a well-brewed espresso is coffee’s ultimate expression, with key details on crema, coffee bean selection, and extraction.
How Coffee Beans Are Processed After Harvest
After harvest, coffee beans must be processed—usually via washed or natural methods—to reduce moisture from 65% down to 10–12%.
Daily Coffee Drinking Linked to Longer Lifespan
A US study of 400,000 people found daily coffee drinkers had lower death risks. Those having 2–6 cups daily saw 10–16% reduced mortality.
Should Women Avoid Coffee During Their Period?
Experts advise against drinking coffee during menstruation due to caffeine’s effect on cramps, mood, and vitamin B levels. Here’s what the research says.
Coffee, Calcium & Caffeine: What Fans Should Know
Learn how caffeine affects blood pressure, sleep, and calcium loss—and why high-calcium snacks pair well with your coffee.
Japanese Study Finds Caffeine Helps Treat Dry Eye
A Tokyo University study shows caffeine increases tear production in dry eye patients, especially in those who metabolize it efficiently.
How Coffee Affects Women’s Health: Key Risks
Research links high coffee intake to infertility, osteoporosis, and pregnancy risks in women. Here’s what the data shows.
How to Use Coffee to Refresh Yellow-Brown Hair Color
Learn how to use coffee grounds and hot water to naturally refresh or enhance yellow-brown hair color with a simple at-home method.
Can Vitiligo Patients Drink Coffee? What Experts Say
Vitiligo patients can safely consume coffee in moderation—studies show no link between coffee and the condition. Here’s what the science says.
The Best Times of Day to Drink Coffee, Backed by Research
Health experts suggest drinking coffee between 3–6 PM depending on the season. Avoid it late at night to prevent sleep issues and health risks.
Drinking 5 Cups of Coffee Daily Linked to Pancreatic Cancer Risk
Research shows drinking over 5 cups of coffee per day may quadruple pancreatic cancer risk. High intake can also suppress DNA repair and raise hormone levels.
Regular Coffee Lowers Blood Pressure — Unless You Smoke
Drinking coffee regularly may lower blood pressure, especially in non-smokers. Swiss research shows enzymes and smoking habits change the effect.
How Coffee Hurts Memory After Staying Up All Night
Drinking two cups of coffee boosts alertness but impairs short-term memory and word recall, Italian research finds. Here’s what really happens.
Can Too Much Caffeine Cause Atrial Fibrillation?
Excessive daily caffeine—like from too much coffee—may raise your risk of atrial fibrillation, especially if you're also drinking alcohol or stressed.
Exercise and Coffee Together May Reduce Skin Cancer Risk
Drinking coffee before and after workouts may lower your skin cancer risk—animal studies show a 62% drop in tumors when combining exercise with caffeine.