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.

Abortion politics lead to power struggles over family planning grants

In a busy downtown coffee shop, a drawing of a ski lift with intrauterine devices for chairs draws the eyes of sleepy customers getting their morning underway with a caffeine jolt.

3 May 2022

High caffeine consumption induces ventricular tachyarrhythmias in rats

The Food and Drug Administration recommends healthy adults not exceed 400 milligrams (mg) of caffeine- approximately four cups of brewed coffee- a day.

2 Apr 2022

Caffeine could be a therapeutic arsenal to alleviate some of the ADHD symptoms

Attention Deficit Hyperactivity Disorder, or ADHD, is a psychiatric pathology for which diagnosis has increased exponentially over the last 20 years.

29 Mar 2022

Daily coffee intake associated with benefits to heart health

Drinking coffee-; particularly two to three cups a day-;is not only associated with a lower risk of heart disease and dangerous heart rhythms but also with living longer, according to studies being presented at the American College of Cardiology's 71st Annual Scientific Session.

24 Mar 2022

Researchers investigate loss of fitness following COVID-19

Researchers investigate if a decline in exercise capabilities is due to deconditioning during infection or long-term reductions in ability due to COVID-19.

15 Mar 2022

Combination treatment could benefit smokers who also drink heavily

One in five people who smoke also drink heavily, but they show worse outcomes than non-heavy drinkers in quitting smoking and are often excluded from smoking cessation trials.

4 Mar 2022

Harvard researcher develops new model system to illuminate the fundamentals of aging

Huge amounts of time and money have been devoted to finding treatments for diseases that become more common as we age, like cancer and Alzheimer's.

28 Feb 2022

Maladaptive coping strategies may contribute to decreased sleep quality

Most patients with sleep problems adopt maladaptive coping strategies – such as taking sleep aids, using caffeine, and taking daytime naps – that may actually contribute to decreased sleep quality, reports a study in The Nurse Practitioner.

25 Feb 2022

Researchers use an integrated approach to reveal constituents in a multi-herb Chinese medicine

Rooted in ancient knowledge and principles, traditional Chinese medicine (TCM) has been used to treat many diseases, sparking the interest of pharmaceutical researchers. TCM formulas are quite complex, requiring multiple herbs for their formulation.

18 Feb 2022

Study provides new understanding of caffeine's protective effects on the cardiovascular system

Scientists have a new understanding of the protective effects of caffeine on the cardiovascular system. While its stimulant effects have long been characterized, a team of Canadian researchers have discovered how caffeine interacts with key cellular factors to remove cholesterol from the bloodstream.

10 Feb 2022

Analysis: Up to half of children worldwide consume caffeinated energy drinks every week

Up to half of children worldwide, and up to a third of children in the UK, consume energy drinks every week, with a tally on five or more days of the week associated with some health and behavioral issues, finds research published in the open access journal BMJ Open.

8 Feb 2022

Nutritional supplements used to improve athletic performance can pose risks to the heart

Nutritional supplements taken to boost athletic performance can pose risks to the heart, according to a European Society of Cardiology (ESC) statement published today in the European Journal of Preventive Cardiology, a journal of the ESC.

27 Jan 2022

Scientific review highlights the impact of coffee on digestive organs

A new scientific review, published in Nutrients, highlights coffee's effects on digestion and the gut, and its impact on organs involved in digestion.

19 Jan 2022

Homeschooling improved sleep and health-related quality of life for teenagers

The school closures in spring 2020 had a negative effect on the health and well-being of many young people.

5 Jan 2022

Cloth facemasks worn during exercise are unlikely to cause significant respiratory changes

A new study explored whether wearing masks either increased, reduced, or did not alter various respiratory variables.

20 Dec 2021

Caffeine increases alertness and detection accuracy for moving targets

In the first study of its kind to explore caffeine's effects on dynamic visual skills, researchers concluded that caffeine increases alertness and detection accuracy for moving targets. Caffeine also improved participants' reaction times.

1 Dec 2021

Tea and coffee consumption associated with lower risk of stroke and dementia

Researchers investigate the impact of coffee and tea separately and in combination on the risk of stroke and dementia.

18 Nov 2021

Study finds beneficial and harmful short-term health effects of caffeinated coffee consumption

Drinking caffeinated coffee appears to have both beneficial and harmful short-term health effects: increased abnormal heartbeats, increased physical activity and reduced sleep duration, according to late-breaking research presented today at the American Heart Association's Scientific Sessions 2021.

15 Nov 2021

Tracking potential triggers of atrial fibrillation could lead to fewer episodes

People with atrial fibrillation who underwent individualized testing to discover triggers for their irregular heartbeats reported less frequent irregular episodes, according to late-breaking research presented today at the American Heart Association's Scientific Sessions 2021.