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.

Gut bacteria and blood metabolites directly affect children’s height, study finds

Researchers used Mendelian randomization to uncover causal links between gut microbiota, blood metabolites, and short stature in children.

7 Apr 2025

Defibrillators and CPR cut marathon cardiac deaths in half, study shows

Researchers found that while the rate of cardiac arrests during U.S. marathons and half-marathons remained stable from 2010 to 2023, the likelihood of death from these events dropped by nearly half—thanks to faster emergency response and widespread use of defibrillators.

31 Mar 2025

Caffeine and beetroot juice beat fatigue in repeated high-intensity runs

Caffeine combined with beetroot juice significantly improves both initial and repeated 1000-meter running performance in non-athlete men. Body fat percentage, sleep duration, and nutrition emerge as key factors influencing endurance outcomes.

30 Mar 2025

Inflammation found to impact telomere length more than diet or exercise

A new research paper was published in Aging (Aging-US) on January 29, 2025, in Volume 17, Issue 2, titled "Diet, lifestyle and telomere length: using Copula Graphical Models on NHANES data."

26 Mar 2025

Natural compounds identified as potential inhibitors of SARS-CoV-2 spike protein

The COVID-19 pandemic highlighted the urgent need for effective therapeutic agents against SARS-CoV-2.

20 Mar 2025

Increased intake of fruit, fiber, dairy and caffeine linked to lower tinnitus risk

Increased consumption of fruit, dietary fiber, dairy products and caffeine may be associated with a reduced risk of tinnitus (ringing in the ears), suggests an analysis of the available evidence, published in the open access journal BMJ Open.

18 Mar 2025

Could tea during pregnancy give your baby a brain boost? Research says yes

Maternal tea consumption during pregnancy – particularly in the second and third trimesters – is associated with improved cognitive, fine motor, and gross motor skills in 3-year-olds, while coffee intake shows no significant impact, according to a Chinese cohort study of 1,423 mother-child pairs.

18 Mar 2025

Lack of sleep and insomnia may raise teenagers’ risk for hypertension

Teenagers who do not get the recommended amount of sleep may be at an increased risk for high blood pressure, according to preliminary research presented at the American Heart Association's Epidemiology, Prevention, Lifestyle & Cardiometabolic Health Scientific Sessions 2025.

6 Mar 2025

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