Tag

Caffeine

All articles tagged with #caffeine

health-and-training21 days ago•14 min saved

Brewing Brain and Belly: Coffee Rewires Your Gut for Better Mood and Performance

A University College Cork study shows coffee reshapes the gut microbiome and gut-brain axis, with certain bacteria thriving in coffee drinkers; decaf improves memory, sleep, and mood, while caffeinated coffee enhances attention and lowers inflammation, indicating coffee’s benefits go beyond caffeine and may affect mood, recovery, and cognitive function—useful insights for athletes, though individual microbiomes vary.

via Škoda We Love Cycling|

#caffeine #coffee #cognition

health22 days ago•416 min saved

4 Morning Habits This Cardiologist Avoids for a Healthier Heart

A California interventional cardiologist explains that early mornings are the heart’s busiest period due to cortisol, rising blood pressure and falling heart-rate variability. To protect his own heart health, he avoids four things before 9 a.m.: sugary coffee drinks, breakfast pastries with refined carbs and saturated fat, nitrated breakfast meats, and energy drinks which can spike heart rate and blood pressure and trigger arrhythmias. Studies show a higher risk of heart attack and cardiac death between 6 a.m. and noon. Instead, he favors heart-healthy options like oatmeal with fruit, eggs with fruit, cottage cheese with berries and walnuts, or Greek yogurt with chia, and he drinks water before coffee to minimize caffeine’s nervous-system impact.

via TODAY.com|

#caffeine #cardiology #diet

government1 month ago•2 min saved

Texas AG Probes Celsius and Alani Nu for Teen-Targeted Caffeine Marketing

Texas Attorney General Ken Paxton announced a consumer-protection investigation into Celsius Holdings and its Alani Nu energy drinks over marketing practices aimed at teens and potential safety warnings, focusing on the drinks' high caffeine content (200 mg per 12 oz) and related health concerns and lawsuits citing insufficient warnings and deceptive practices under the Texas DTPA.

via Office of the Attorney General (.gov)|

#alani-nu #caffeine #celsius

health1 month ago•4 min saved

Morning Heart-Healthy Habits: A Cardiologist’s Five Rules Before 9 a.m.

A cardiologist argues that the first hours after waking are when the heart is busiest, and he preaches five pre-9 a.m. don’ts: sugary coffee drinks, breakfast pastries, processed breakfast meats, energy drinks, and skipping a meal. These choices can spike sugar, sodium, and stimulants, stressing the cardiovascular system. He suggests a calmer start with hydration, protein and fiber-rich foods, light movement, and slower breathing, plus simple breakfast ideas like eggs with fruit or yogurt with oats. Always consult your healthcare provider before changing routines.

via CNBC|

#breakfast #caffeine #cardiovascular-risk

health1 month ago•11 min saved

Moderate Coffee and Tea May Cut Dementia Risk, Large 40-Year Study Finds

A long-term U.S. study of more than 131,000 adults found that moderate daily caffeinated coffee (about 2–3 cups) or caffeinated tea (about 1–2 cups) is linked to a lower risk of dementia and better cognitive performance, while decaffeinated coffee showed no such benefit; researchers caution the results show associations, not causation, and emphasize that a healthy lifestyle remains important for brain health.

via HuffPost|

#caffeine #coffee #cognitive-health

health1 month ago•3 min saved

Evening Caffeine Trims Deep Sleep, Warns New Sleep Research

A review of 32 caffeine-related sleep studies shows caffeine reduces slow-wave, non-REM deep-sleep brain activity and increases wakeful sleep patterns, even when people get 7–9 hours of sleep or feel rested. The effects vary with dose and timing, and depend on individual sleep quality, suggesting total daily caffeine intake and how quickly it metabolizes before nightfall matter. Limiting caffeine, not just avoiding it late, may help protect sleep quality.

via Gizmodo|

#caffeine #deep-sleep #eeg

health1 month ago•4 min saved

Genetic clues link higher caffeine levels to lower body fat and diabetes risk

A 2023 Mendelian randomization study using data from about 10,000 people found that genetically higher plasma caffeine concentrations are associated with lower BMI and fat mass, and a reduced risk of type 2 diabetes (about half of the effect mediated by BMI). There was no clear link to cardiovascular diseases. The authors note caffeine metabolism genes CYP1A2 and AHR influence caffeine levels, and suggest caffeine may boost thermogenesis and fat oxidation; however causal relationships aren’t proven and randomized trials are needed to confirm whether non-caloric caffeinated beverages could help reduce obesity or diabetes risk.

via ScienceAlert|

#bmi #caffeine #genetics

health1 month ago•10 min saved

Daily Soda: Quick Buzz Now, Long-Term Health Costs

Drinking soda every day delivers a short-lived caffeine-and-sugar energy boost but can cause gut discomfort and, in the long term, belly fat and higher risks of heart disease, metabolic syndrome, diabetes, kidney problems and brain inflammation; even diet soda isn’t risk-free due to artificial sweeteners—consider replacing it with sparkling water or infused drinks and taper caffeine gradually while staying hydrated.

via HuffPost|

#caffeine #health #heart-disease

health-and-medicine1 month 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

science2 months ago•7 min saved

Coffee Activates an Ancient Cellular Energy Switch Linked to Longevity

A study in fission yeast finds caffeine activates the energy sensor AMPK via components like Ssp1/Ssp2/Amk2, reprogramming metabolism and stress responses, accelerating mitosis and extending lifespan under non-dividing conditions; the effect is indirect, not through TORC1, and aligns caffeine with aging pathways also targeted by therapies such as metformin; a 2026 bioRxiv follow-up highlights Bro1's role linking TOR signaling to cellular maintenance and longevity.

via SciTechDaily|

#aging #ampk #caffeine

health-and-medicine2 months 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

science2 months 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

health2 months ago•6 min saved

Daily Diet Coke: The Hidden Health Effects of Sipping It Every Day

Drinking Diet Coke daily isn’t harmless: its artificial sweeteners and caffeine are considered safe within limits, but regular use may influence taste preferences, potentially alter gut microbiota and metabolic regulation, and can affect sleep or anxiety in sensitive individuals. The drink’s acidity can contribute to dental enamel erosion. Regulators deem the ingredients safe, but experts advise moderation and suggest swapping to water or unsweetened beverages for everyday hydration; occasional Diet Coke is fine, yet cutting back is wise if you’re consuming multiple cans a day.

via Eat This Not That|

#aspartame #caffeine #dental-health

science2 months ago•5 min saved

Decaf or Caffeinated, Coffee May Boost Mood and Brain Power

A study from University College Cork found that both caffeinated and decaffeinated coffee can improve mood and cognitive performance and alter the gut microbiome. Caffeine was linked to reduced anxiety and better attention, while decaf boosted sleep, physical activity, and memory; both forms triggered gut microbiome shifts, indicating coffee's effects extend beyond caffeine via the gut-brain axis. The findings rely on self-reported mood and were published in Nature Communications.

via ScienceAlert|

#caffeine #coffee #cognition

business2 months ago•4 min saved

Caffeine Controversy: Trader Joe’s Labeled Coffee Facing Mislabeling Suit

A California federal class-action accuses Trader Joe’s French Roast Low Acid coffee of mislabeling as fully caffeinated, arguing testing shows it contains about half the caffeine of regular blends and should be labeled as half-caff; plaintiffs seek class certification (CA, IL, NY) and damages for deceptive advertising.

via New York Post|

#business #caffeine #coffee-labeling