Tag

Coffee

All articles tagged with #coffee

health5 days ago•7 min saved

Tea Tied to Slightly Stronger Hips, Heavy Coffee May Lower Bone Density

A decade-long study of nearly 10,000 older women found that regular tea drinkers had modestly higher hip bone density than non-tea drinkers, while heavy coffee intake (>5 cups/day) was linked to lower bone density. Moderate coffee (2–3 cups/day) showed no harm, but very high consumption combined with higher alcohol intake amplified negative effects. The researchers note small individual changes can translate to fewer fractures at population level, but emphasize that calcium, vitamin D, exercise, and not smoking remain the most important factors for osteoporosis. Limitations include a mostly White US cohort and self-reported beverage intake.

via SciTechDaily|

#bone-density #coffee #health

business9 days ago•8 min saved

Hong Kong’s tiny coffee frontier blooms on Lantau Island

On Lantau Island, a small cooperative of 25 farmers and a local roastery are nurturing about 400 coffee trees, harvesting a 10 kg batch this year and experimenting with processing and education to grow and promote HK-grown beans. The effort shows coffee can be grown within the global “coffee belt” despite low altitude, but production remains tiny and not commercially viable yet, with farmers earning roughly $2–$3 per kilogram. Local workshops and university-backed initiatives aim to raise awareness and value for origin.

via CNN|

#business #coffee #farming

science10 days ago•6 min saved

Coffee's real driver? Gut microbes shaping mood and memory, not caffeine

A May 2026 Nature Communications study from APC Microbiome Ireland found that coffee—caffeinated or decaffeinated—modulates the gut microbiome and downstream brain signals via the gut-brain axis. Decaf coffee improved learning and memory, while caffeinated coffee reduced anxiety and boosted attention; effects persisted only with ongoing coffee consumption and disappeared during abstinence. The results point to polyphenols and other non-caffeine compounds as the cognitive drivers, underscoring that coffee rituals may influence brain health through microbiome-mediated pathways rather than caffeine alone.

via Space Daily|

#coffee #cognition #gut-brain-axis

health-and-medicine12 days ago•7 min saved

Moderate caffeine intake linked to 35% lower dementia risk, study finds

A large, long-term study of 131,821 healthcare professionals found that moderate caffeinated coffee or tea intake—about 250–300 mg of caffeine daily (roughly two to three cups of coffee)—is associated with up to a 35% lower risk of dementia, especially before age 75, with benefits leveling off at higher intakes. Decaf users sometimes showed faster memory decline, and tea may offer strong protection at 1–2 cups daily; overall, moderation appears key and results may be influenced by other lifestyle factors.

via ScienceDaily|

#brain-health #caffeine #coffee

health16 days ago•31 min saved

A Cup of Science: Coffee’s Growing Health Benefits

Moderate coffee consumption is linked to lower dementia risk, lower diabetes and liver-disease risk, and even lower all-cause mortality; the benefits appear driven by polyphenols such as chlorogenic acid (not caffeine), with morning drinking most advantageous and sugar/milk reducing gains; rising specialty coffee culture and climate risks shape future health implications.

via vox.com|

#chlorogenic-acid #coffee #dementia

science19 days ago•6 min saved

Coffee Rewires the Gut-Brain Link, Boosting Mood and Memory, Study Finds

A Nature Communications-backed study from APC Microbiome Ireland (University College Cork) shows habitual coffee consumption reshapes the gut microbiome and influences mood and cognitive function. Both caffeinated and decaffeinated coffee yielded benefits: decaf users showed improvements in learning and memory, likely due to polyphenols, while caffeinated coffee was linked to reduced anxiety and heightened alertness. In a 62-participant study (31 coffee drinkers vs. 31 non-drinkers) with a two-week coffee withdrawal followed by blinded reintroduction (half decaf, half caffeinated), researchers observed shifts in gut metabolites and the enrichment of bacteria such as Eggertella sp and Cryptobacterium curtum among coffee drinkers, suggesting a microbiota–gut–brain mechanism with potential long-term health implications.

via SciTechDaily|

#coffee #cognition #gut-brain-axis

health20 days ago•4 min saved

Repeatedly Reheating Coffee Might Upset Your Stomach

Reheating brewed coffee several times shifts its chemistry, increasing bitterness and acidity as chlorogenic acids break down. For many, a single reheat is fine, but daily multiple reheats can aggravate reflux or dyspepsia. To keep your gut happier: drink fresh, avoid reheating more than once, use a tumbler to minimize heat cycling, and consider milder roasts or cold brew.

via Iowa Park Leader|

#acidity #chlorogenic-acids #coffee

health20 days ago•3 min saved

Tea May Help Bones of Older Women, Coffee Could Hamper Them

A study of about 9,700 US women over 65 found regular tea drinkers had modestly higher hip bone mineral density, possibly due to tea catechins, while higher coffee intake (>5 cups/day) correlated with lower bone density, especially among lifetime alcohol consumers; results suggest tea may support bone health but do not recommend increasing coffee, and calcium/vitamin D remain key to bone health.

via ScienceAlert|

#bone-mineral-density #coffee #elderly-women

science22 days ago•6 min saved

Coffee's Hidden Helpers: Regular and Decaf Brew Shape Your Gut and Mood

A Nature Communications study from APC Microbiome Ireland finds regular coffee consumption reshapes the gut microbiome, lowers inflammatory markers, and improves mood, with both caffeinated and decaffeinated coffee exerting distinct, caffeine-independent effects; a two-week abstinence altered some responses and reintroduction produced rapid microbiome changes, highlighting coffee’s complex mix of bioactive compounds that influence the gut-brain axis as part of a balanced diet.

via WIRED|

#coffee #gut-brain-axis #gut-microbiome

health-and-medicine23 days ago•6 min saved

Coffee’s hidden gut-brain effects: decaf memory gains, caffeine focus

New research from University College Cork shows caffeinated and decaf coffee rewire the gut microbiome and gut-brain axis, boosting mood and reducing stress. Decaf coffee improved learning and memory, while caffeinated coffee enhanced attention and reduced anxiety; effects point to multiple mechanisms beyond caffeine, including changes in specific gut bacteria and metabolites.

via ScienceDaily|

#caffeine #coffee #cognition

health-and-medicine24 days ago•18 min saved

Coffee’s hidden anti‑aging trick: compounds may activate a key aging sensor

Texas A&M researchers report that coffee compounds—including caffeic and chlorogenic acids, kahweol, and cafestol—bind to the NR4A1 receptor, a protein linked to aging, stress response, and tissue repair, potentially helping explain coffee’s association with reduced inflammation and disease risk. While caffeine is the major component, polyphenols appear more active, which may explain why regular and decaf coffee show similar health benefits. The study is mechanistic and not yet proof of cause‑and‑effect in humans, and researchers are also exploring synthetic NR4A1-targeting compounds for treating cancer and disease.

via Ground News|

#aging #coffee #health-and-medicine

health25 days ago•1 min saved

Coffee compounds tied to aging defense, study suggests

A March 2026 Nutrients study from Texas A&M suggests coffee activates the NR4A1 receptor linked to aging and disease, driven by polyhydroxy and plant-based polyphenols rather than caffeine; this may explain similar benefits for regular and decaf coffee, though causation in humans isn’t proven and more research is needed.

via USA Today|

#aging #coffee #decaf

science25 days ago•38 min saved

Coffee’s hidden mechanism: NR4A1 activation linked to healthier aging and reduced inflammation

Texas A&M researchers show that coffee compounds bind and activate NR4A1, a cellular receptor that helps mitigate stress and inflammation, potentially explaining coffee’s links to longer life and lower disease risk. The study finds polyphenols like caffeic and chlorogenic acids, along with cafestol and kahweol, bind NR4A1 more strongly than caffeine, and coffee extracts slowed growth of NR4A1-dependent cancer cells and reduced inflammatory responses in immune cells; decaf may still offer benefits. Results are lab-based, and human studies are needed to confirm real-life impact.

via Earth.com|

#aging #coffee #health

health26 days ago•4 min saved

Coffee’s health boost may come from activating an aging-linked receptor

Texas A&M researchers show that compounds in coffee, especially polyphenols like caffeic acid, can bind to and activate NR4A1, a receptor involved in aging, stress response and disease, offering a potential mechanism for coffee’s links to reduced risk of age-related diseases. The study suggests caffeine isn’t the main driver and that both regular and decaf coffee may confer benefits, but it remains a mechanistic, not clinical, finding with more work needed before changing dietary recommendations or pursuing NR4A1-targeted therapies.

via Texas A&M Stories|

#aging #caffeic-acid #coffee

science27 days ago•6 min saved

Coffee Dose Found: Two to Three Cups Daily Linked to Lower Stress and Depression

A 2026 UK Biobank study of 461,586 adults over 13.4 years finds that two to three cups of coffee daily are linked to a lower risk of mood and stress disorders, with the benefit seen across caffeinated and decaf varieties and different coffee types. The protective effect follows a J-shaped curve: benefits peak at two to three cups and may diminish with higher intake. Possible mechanisms include caffeine blocking adenosine receptors, anti-inflammatory effects from chlorogenic acids, and behavioral benefits from reduced fatigue. Effects were stronger in men, while women metabolize caffeine more slowly, potentially altering the benefit. The study is observational, so it cannot prove causation or replace standard mental-health care such as sleep, exercise, diet, and social connection.

via Indian Defence Review|

#caffeine #coffee #depression