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Coffee

All articles tagged with #coffee

Heat threatens global coffee supply, new analysis finds
world7 days ago

Heat threatens global coffee supply, new analysis finds

Climate Central finds the world’s top five coffee producers now face about 57 extra days annually with temperatures above 30C, with El Salvador adding 99 hot days, Brazil 70 and Ethiopia 34, risking arabica yields; as prices for arabica and robusta surge, adaptation funding for smallholders remains woefully insufficient, prompting initiatives like Oromia’s energy-efficient stoves, while governments must scale climate action to safeguard future coffee supplies.

Brewing Benefit: How a Coffee Water Rinse May Support Hair Growth
lifestyle9 days ago

Brewing Benefit: How a Coffee Water Rinse May Support Hair Growth

A coffee water rinse, prepared by diluting brewed coffee and applying it after shampooing, is suggested to stimulate hair follicles and improve scalp circulation with caffeine and antioxidants; follow steps to cool the coffee, dilute, apply, massage for 10 minutes, then rinse with lukewarm water and skip a second shampoo; use twice weekly to avoid buildup, and perform a patch test while avoiding use on tinted blonde hair, with optional boosts from scalp oils for nourishment.

Moderate Caffeine From Coffee or Tea Linked to Lower Dementia Risk
health15 days ago

Moderate Caffeine From Coffee or Tea Linked to Lower Dementia Risk

A large, long-term study of about 131,000–132,000 people followed for up to 43 years found that consuming two to three cups of caffeinated coffee daily or one to two cups of caffeinated tea daily was associated with roughly 15–20% lower dementia risk versus little or no caffeine; benefits for coffee plateaued beyond about 2.5 cups per day. The study did not prove causation and could reflect other healthy behaviors, but adjustments for various factors strengthen the association. Decaf showed no similar benefit, and stronger signals appeared before age 75. The study also noted less subjective cognitive decline and slightly better cognitive scores in some subgroups, suggesting caffeine may support brain health via inflammation and vascular pathways, though more research is needed.

Moderate caffeine linked to lower dementia risk in large study
health16 days ago

Moderate caffeine linked to lower dementia risk in large study

A large study of 131,821 participants from the Nurses’ Health Study and the Health Professionals Follow-Up Study found that consuming two to three cups of caffeinated coffee daily or one to two cups of caffeinated tea is associated with an ~18% lower risk of dementia and slower cognitive decline, with no similar benefit seen from decaf coffee. The researchers caution that the study shows association, not causation, and lifestyle factors could contribute. Benefits plateau at the noted intake levels, and further work is needed to understand metabolism and timing, while caffeine and polyphenols in coffee/tea are thought to contribute to cognitive health.

Small Daily Cups of Coffee or Tea Linked to Lower Dementia Risk, Large Study Finds
health16 days ago

Small Daily Cups of Coffee or Tea Linked to Lower Dementia Risk, Large Study Finds

A large observational study of over 130,000 people (Nurses’ Health Study and Health Professionals Follow-up Study) links midlife caffeinated coffee and tea intake with a lower risk of dementia later in life. The strongest associations were two to three cups of coffee or one to two cups of tea daily, with coffee users about 18% and tea users about 14% less likely to develop dementia. Decaffeinated options did not show the same benefit. Because the study is observational, it cannot prove causation; remaining cautious about caffeine intake is advised, and coffee/tea should complement other brain-healthy lifestyle habits.

Daily coffee or tea may reduce dementia risk, large study finds
health16 days ago

Daily coffee or tea may reduce dementia risk, large study finds

A study of 131,821 US adults followed for up to 43 years found that people who drank two to three cups of caffeinated coffee or one to two cups of caffeinated tea daily had about a 15-20% lower risk of dementia than those who drank little or none, and caffeinated drinkers showed slightly slower cognitive decline and better test scores compared with decaf. The researchers note causality cannot be established and there may be other factors at play; decaf coffee showed no benefit. More research is needed to confirm the link and understand underlying mechanisms.

Coffee and blood pressure: small, temporary bumps, not a hypertension risk
health22 days ago

Coffee and blood pressure: small, temporary bumps, not a hypertension risk

Coffee can raise blood pressure briefly, especially in new drinkers or those with hypertension, as caffeine stimulates heart rate and constricts vessels. Blood caffeine peaks 30 minutes to 2 hours after a cup and has a 3–6 hour half-life. Studies typically report systolic BP rises of about 3–15 mmHg and diastolic rises of 4–13 mmHg, with individual responses varying by genetics, age, and habitual intake. Overall, coffee is not consistently linked to a higher hypertension risk, though very high BP patients should discuss intake with a doctor. Practical guidance: know your BP, limit caffeine to about four cups a day (or switch to decaf if needed), avoid caffeine before BP measurement, and consider reducing or timing intake if your BP is elevated.

Coffee and digestion: who benefits and why timing matters
lifestyle23 days ago

Coffee and digestion: who benefits and why timing matters

Caffeine can stimulate gut motility and help some people digest after meals, but it can worsen digestion for those with irritable bowel syndrome. Regular coffee intake is linked to a healthier gut microbiome and polyphenols, though caffeine's long half-life can disrupt sleep, which harms gut health. Experts advise caffeinated coffee before noon and switching to decaf or herbal tea later in the day.

business1 month ago

Beef Booms, Eggs Fall: A Tale of Split Food Inflation in December CPI

December’s CPI for food at home rose 0.72% month-to-month (9.0% annualized), pushing the annual gain to 2.4%, with beef, dairy, coffee and other foods leading gains while eggs pulled back after earlier spikes. Ground beef jumped about 19% year-over-year as the cattle herd sits at a 64-year low; chicken breast was flat; eggs, after a huge run-up due to avian flu, fell 5% in December though remain well above pre-pandemic levels. The “other foods” category rose 1.6% and fresh fruit/vegetables 0.5%, while coffee climbed 1.9% and restaurant prices (food away from home) rose 0.7% MoM and 4.1% YoY. The piece notes the inflation split across items and questions whether the December spike is a blip or a warning that food inflation could re-accelerate if demand stays strong and supply remains tight.

Scientists Discover Coffee as a Safer Staining Agent for Electron Microscopy
science1 month ago

Scientists Discover Coffee as a Safer Staining Agent for Electron Microscopy

Researchers discovered that espresso coffee can effectively stain biological samples for electron microscopy, offering a safe, inexpensive, and non-toxic alternative to traditional heavy metal stains like uranyl acetate, with promising results in imaging zebrafish mitochondria, though further testing across different tissues is needed.

New Research Reveals Optimal Coffee Habits for Longevity and Heart Health
health1 month ago

New Research Reveals Optimal Coffee Habits for Longevity and Heart Health

A study suggests that drinking three to four cups of coffee daily may slow biological aging by up to five years, potentially increasing lifespan, due to antioxidants and anti-inflammatory compounds in coffee that preserve telomere length, especially in individuals with severe mental illnesses, though moderation is advised due to possible side effects.