Coffee Knowledge
Latest articles, industry insights and brewing guides
Why Is Your Baby Up All Night? Blame Mom’s Coffee
A mother noticed her baby staying awake and overly excited at night — only to realize maternal caffeine intake may be the cause.
Does Coffee Suppress Sexual Desire? Six Historical Myths Debunked
No, coffee doesn't suppress libido — that 17th-century myth arose from religious fears. Here’s the real history behind coffee, arousal, and cultural panic.
How Dieting and Coffee Drinking Can Increase Osteoporosis Risk
Drinking coffee while dieting, especially in youth, may weaken bone density and raise osteoporosis risk later. Here’s what the data says.
Does Soda Caffeine and Caramel Increase Aggression?
A U.S. study found teens drinking 5+ sodas weekly showed 9–15% higher violent tendencies than non-soda drinkers.
Does Caffeine Make You More Persuadable?
Drinking caffeine can make you more likely to change your mind—especially after reading persuasive arguments. Here’s how it works.
How Coffee Makes People More Persuadable
Drinking coffee before a conversation can make people more receptive to persuasive arguments, especially after just two cups.
Low-Caffeine Drinks That Are Healthier Than Starbucks
Skip the high-calorie Starbucks drinks. These homemade low-caffeine alternatives cut calories, fat, and caffeine—without sacrificing flavor.
Drinking 3 Cups of Coffee Cuts Skin Cancer Risk
Drinking three or more cups of coffee daily may lower your risk of basal cell carcinoma by up to 20%, especially in women.
Drink Coffee Then Nap 15 Minutes for Best Wake-Up
Sleep experts say drinking coffee then napping for 15 minutes boosts alertness better than either alone. Here’s why—and how to do it right.
Pregnancy & Coffee: Risk of Fetal Growth Delay
Animal studies show caffeine intake during pregnancy may cause intrauterine growth restriction, increasing risks of low birth weight and neonatal distress.
Why 'Youtiao and Coffee' Health Claim Falls Short
A student experiment suggested pairing Chinese fried dough with coffee improves health—but experts say the test was too simple to prove anything.
Coffee Health Facts: Depression, Skin Cancer & Fertility
Learn how coffee lowers depression risk, boosts male fertility, aids weight control, and may reduce skin cancer—backed by studies.
High-Fat Fast Food and Coffee Double Your Blood Sugar Spike
A Canadian study finds drinking coffee with high-fat fast food raises blood glucose levels by 65%, more than double the effect of fat alone.
How Caffeine May Prevent Spinal MS in Mice
Daily caffeine intake equivalent to 6–8 cups of coffee may prevent mice from developing a disease similar to human spinal multiple sclerosis, new research finds.
How Coffee Lowers Endometrial Cancer Risk in Women
Drinking 4+ cups of coffee daily may cut a woman’s risk of endometrial cancer by 25%, a U.S. study of over 67,000 nurses finds.
How Coffee Caffeine Boosts Brain Cell Connections
A study found caffeine strengthens connections in a lesser-known brain region, CA2 of the hippocampus, with effects scaling up with dose.
How Coffee Raises Estrogen Levels in Women
Drinking 4–5 small cups of coffee daily can raise estrogen by 70% in the follicular phase. Learn the risks and limits for hormone health.
Japanese Mister Donut Serves Highest Caffeine Black Coffee in Taoyuan Test
A Taoyuan health check found Mister Donut’s black coffee has 166mg caffeine per cup—far above Starbucks’ 53mg. Here’s how other chains compare.
How Coffee Boosts Your Proofreading and Error Correction Skills
Drinking coffee with 200–400mg of caffeine improves your ability to spot and fix grammar and spelling mistakes, according to a scientific study.
Taiwan Chain Store Coffees Contain High Caffeine Levels
Two cups of black coffee from some Taiwan chains exceed safe daily caffeine intake. Find out which have the highest levels.