Coffee Knowledge
Latest articles, industry insights and brewing guides
Nine Medical Conditions That Make Coffee Unsafe
Coffee isn’t for everyone. Learn which nine medical conditions make caffeine risky — from high blood pressure to kidney stones.
How Coffee Before Sex Affects Your Performance
One cup of coffee before intimacy can boost arousal—but more than two may harm your performance. Here’s what science says.
Does Coffee Cause Heart Disease or Bone Loss?
Research debunks myths: coffee doesn’t raise heart disease or stroke risk, and doesn’t harm bone health when consumed in moderation.
How Countries Turn Coffee Byproducts Into New Drinks
Discover how Belgium, Japan, Brazil and others create functional drinks from coffee waste — from white coffee pulp soda to sprayable espresso.
How to Tell Good Instant Coffee by Sight and Taste
Learn how to assess instant coffee quality before and after brewing using color, aroma, texture, and flavor cues.
Daily Coffee Drinking Linked to Health Benefits
Drinking 3 cups of coffee daily may lower dementia risk and support brain health, backed by recent Hong Kong research.
How Coffee Affects Sexual Satisfaction
One cup of coffee before sex may boost arousal, but more than two can reduce desire and delay recovery. Here’s what the science says.
How Coffee Helps Social Interaction and Beats Procrastination
Learn how coffee can improve focus in conversations and why mixing green tea with goji berries may harm nutrient absorption.
Can Coffee Lower High Blood Pressure? Dutch Study Says Yes
A Dutch study suggests moderate coffee intake may help lower persistent high blood pressure, challenging long-held beliefs about caffeine's risks.
Why Mixing Energy Drinks with Alcohol Is Dangerous
Mixing energy drinks like Red Bull with alcohol increases health risks including heart issues and impaired judgment. Health experts strongly advise against it.
How Coffee Lowers Gout Risk: New Study Findings
Drinking 4–5 cups of coffee daily may cut gout risk by 40%. Research shows caffeine isn’t the key—regular and decaf both lower uric acid.
Best Snacks to Relieve Premenstrual Breast Swelling
Find out which snacks help ease breast swelling and other PMS symptoms, and which foods to avoid during your period.
How Coffee and Milk Help with Calcium Intake
Learn how much calcium to add daily if you drink coffee regularly, especially if you're a woman over 50 or live in China.
The Three Stages of Coffee: A Metaphor for Life
From sweet milk coffee to pure black, this article explores how your coffee preference evolves through childhood, adulthood, and old age.
What Elderly Coffee Drinkers Should Watch Out For
Older adults can enjoy coffee safely by avoiding strong brews, monitoring heart health, and supplementing calcium—here’s what matters.
Why Strong Tea and Coffee Aren’t Ideal for Exam Prep
Avoid caffeine boosts before exams—experts advise against strong tea and coffee for sleep and focus. Here’s what actually helps.
Does Coffee Affect Men’s Sexual Performance?
Research shows caffeine can suppress arousal by affecting the nervous system. Here’s how coffee impacts male libido, depending on timing and dosage.
High Caffeine Intake Linked to Increased Stillbirth Risk in Pregnancy
Drinking over eight cups of coffee daily during pregnancy triples the risk of stillbirth, Danish research finds. Here’s what the science says about safe caffeine limits.
Common Coffee Types and Their Fat Index Ranking
From plain espresso to creamy lattes, discover which popular coffee drinks are least likely to cause weight gain.
When Is the Healthiest Time to Drink Coffee?
Drinking coffee after meals is best for digestion and avoiding jitters. Limit intake to 2–3 cups daily for optimal health benefits.