Caffeine News and Research

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Caffeine is a bitter substance found in coffee, tea, soft drinks, chocolate, some nuts and certain medicines. It has many effects on the body's metabolism, including stimulating the central nervous system. This can make you more alert and give you a boost of energy.

Snoring regularly? Your diabetes risk jumps if you had gestational diabetes

Short sleep duration and frequent snoring significantly raise the risk of type 2 diabetes in women with prior gestational diabetes. Regular snoring is also linked to poorer glucose metabolism biomarkers.

6 Mar 2025

Can coffee push back Parkinson’s? New study uncovers key genetic link

Higher coffee consumption is causally linked to delayed onset of Parkinson’s disease but does not affect disease risk or progression, according to a Mendelian randomization study.

25 Feb 2025

Drinking more water may lower heart disease risk, but too much coffee and tea could raise it

Drinking water may help reduce cardiovascular disease (CVD) risk, while excessive coffee and tea intake (≥6 cups/day) increases the likelihood of CVD, with stronger effects in women.

19 Feb 2025

Genetic predisposition plays a role in how coffee tastes bitter to some more than others

Why does coffee taste more bitter to some people than it does to others? Researchers at the Leibniz Institute for Food Systems Biology at the Technical University of Munich have now come closer to answering this question.

29 Jan 2025

Is juicing good for your gut? Research shows surprising microbiome changes

Short-term fruit and vegetable juicing causes microbial shifts in the oral and gut microbiome, but these changes are mostly transient and return to baseline after 14 days.

29 Jan 2025

Morning coffee cuts health risks, but all-day sipping doesn’t

Moderate morning coffee consumption may lower all-cause and cardiovascular mortality risks, but coffee consumed throughout the day offers no similar benefits.

13 Jan 2025

Can green tea help prevent cognitive decline?

Higher green tea consumption significantly reduces cerebral white matter lesions in older adults, offering potential protective effects against cognitive decline.

8 Jan 2025

Bioactive compounds in coffee and tobacco may combat Parkinson’s disease

Tobacco and coffee contain bioactive compounds that may reduce Parkinson's disease risk by targeting key pathways such as MAO B inhibition, α-synuclein aggregation, and neuroinflammation.

7 Jan 2025

Morning coffee drinkers have better heart health and lower mortality risk

People who drink coffee in the morning have a lower risk of dying from cardiovascular disease and a lower overall mortality risk compared to all-day coffee drinkers, according to research published in the European Heart Journal today.

7 Jan 2025

Fruit flies steal bacterial defense to survive parasitic wasps

In the continual arms race between parasites and their hosts, innovation was thought to be the key to a successful attack or defense that one-ups the competition.

24 Dec 2024

Drinking more coffee linked to reduced cognitive decline in people with atrial fibrillation

Drinking multiple cups of coffee a day may help prevent cognitive decline in people with atrial fibrillation (AFib or AF), according to new research published on Dec. 14, 2024 in the Journal of the American Heart Association, an open-access, peer-reviewed journal of the American Heart Association.

19 Dec 2024

Study reveals poor diet quality among pregnant and postpartum individuals

New research from the University of Massachusetts Amherst finds a pervasive low-quality diet among pregnant and postpartum individuals, reflecting "an urgent need for widespread improvement."

19 Dec 2024

How moderate coffee consumption reduces cardiovascular disease risk

Researchers examine the impact of coffee intake on cardiovascular disease.

16 Dec 2024

Chemical footprints of breast cancer: A new exposomics approach

Researchers in Sweden explored chemical exposures in plasma samples and uncovered links between environmental factors and breast cancer risk influenced by age, parity, and menarche.

10 Dec 2024

Scientists uncover coffee's surprising effect on gut microbiota

Scientists reveal that coffee consumption influences gut microbiota composition, with a strong link to the bacterium Lawsonibacter asaccharolyticus, independent of caffeine.

3 Dec 2024

Natural polyphenol boosts mitochondrial function and muscle performance during aging

Oleuropein enhances mitochondrial calcium uptake, reversing age-related declines in muscle function and energy metabolism, with promising clinical potential.

2 Dec 2024

Wearable ultrasound sensor revolutionizes continuous blood pressure monitoring

Researchers validated a novel wearable ultrasound blood pressure (BP) sensor, confirming its accuracy and safety across diverse clinical settings.

24 Nov 2024

Fermented kimchi may help combat obesity by regulating gut microbiota

Kimchi consumption significantly reduces body fat and enhances metabolic indicators in overweight individuals, highlighting its role in obesity management.

22 Nov 2024

Ultra-processed foods drive obesity and metabolic risks

Italian researchers reveal a strong link between ultra-processed foods and obesity, highlighting increased cardiometabolic risks in adults with higher UPF consumption. The findings call for urgent dietary changes to combat obesity and promote healthier lifestyles.

18 Nov 2024

Exercise temporarily improves muscle insulin resistance linked to genetic risk for type 2 diabetes

The study uncovers how acute exercise alleviates insulin resistance in TBC1D4 variant carriers, underscoring the need for personalized diabetes interventions.

4 Nov 2024