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.

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.

15 Nov 2021

Low amount of caffeine intake during pregnancy may help reduce gestational diabetes risk

Good news for pregnant coffee lovers: Consuming a low amount of caffeine during pregnancy could help to reduce gestational diabetes risk, according to researchers in the Perelman School of Medicine at the University of Pennsylvania and the National Institutes of Health. The findings were published Monday in JAMA Network Open.

11 Nov 2021

A Judge takes his mental health struggles public

In 1972, just 18 days after he was selected to run for vice president with Democratic Sen. George McGovern, Thomas Eagleton was forced off the ticket.

9 Nov 2021

Do traumatic brain injuries in pregnant mothers impact fetal development?

In this interview, we spoke to Dr. Jonathan Lifshitz about his latest research into traumatic brain injuries and how they can affect an unborn child's development.

8 Nov 2021

How cellular clocks regulate cardiac physiology

In this interview, News-Medical speaks to research associate Dr. Alessandra Stangherlin about her latest research that provided new insights into the circadian rhythm of the heart.

2 Nov 2021

Deadly "dry scooping" pre-workout powder is becoming popular on the internet, research shows

A potentially deadly new challenge called "dry scooping" is prevalent on the internet, and new research shows video demonstrations on one social media platform popular among teens amassed more than 8 million views. Dry scooping refers to the improper use of pre-workout supplements, a powder typically added to liquid and containing ingredients that are unsuitable for children.

11 Oct 2021

Thousands of unknown chemicals and substances found in e-cigarettes

Vaping aerosols contain thousands of unknown chemicals and substances not disclosed by manufacturers, including industrial chemicals and caffeine, Johns Hopkins University researchers found.

6 Oct 2021