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.

High doses of cannabidiol may increase the effects of THC in edible cannabis products

Contrary to some common claims, a study led by Johns Hopkins Medicine researchers found that relatively high doses of cannabidiol (CBD) may increase the adverse effects of delta-9-tetrahydrocannabinol (THC), the main active ingredient in cannabis that can cause a mood alteration or a "high" sensation.

13 Feb 2023

People who regularly drink coffee have significantly lower blood pressure

Drinking coffee helps maintain low blood pressure. People who drink two or three cups of coffee a day have lower blood pressure than those who drink just one cup or none at all.

7 Feb 2023

Could drinking tea help manage COVID-19?

Researchers summarized the content of active ingredients in different types of tea, the second most consumed beverage in the world. They also explored the possibility of using tea extracts for coronavirus disease 2019 (COVID-19) prevention and treatment.

17 Jan 2023

Green tea may protect against telomere shortening due to biological aging

A new study in Scientific Reports aimed to analyze the association between cross-section and longitudinal LTL changes with the consumption of soft drinks, coffee, and tea among middle-aged and older Korean men and women for six years. It also assessed any changes in the association results according to a difference in sex and age groups.

11 Jan 2023

Effectiveness of slow eating intervention tested in overweight and obese women

A recent Eating Behaviors study has aimed to develop and test the effectiveness of a 5-week slow-eating intervention in obese women.

11 Jan 2023

Study finds prevalence of caffeine intake is lower during pregnancy compared to pre-pregnancy, although it increases throughout pregnancy

In the present study, caffeine consumption was assessed before and during pregnancy, as well as fluctuations in caffeine intake and variables related to non-compliance with caffeine intake recommendations during pregnancy.

4 Jan 2023

High coffee intake associated with cardiovascular disease mortality in hypertensive individuals

A study published in the Journal of the American Heart Association describes that excessive consumption of coffee can increase the risk of cardiovascular disease-related mortality in individuals with severe hypertension.

23 Dec 2022

Drinking two or more cups of coffee a day linked to cardiovascular disease mortality among people with severe hypertension

Drinking two or more cups of coffee a day may double the risk of death from cardiovascular disease among people with severe high blood pressure (160/100 mm Hg or higher) but not people with high blood pressure not considered severe, according to research published today in the Journal of the American Heart Association, an open access, peer-reviewed journal of the American Heart Association.

21 Dec 2022

Oat-based biscuit along with a cup of tea best for busy healthcare workers

Busy healthcare workers can safely enjoy a cup of tea within less than 10 minutes, and the best accompanying biscuit for nutritional content, crunchiness, and dunking is oat based, finds a study in the Christmas issue of The BMJ.

20 Dec 2022

Complementary, alternative therapies for heart failure have some benefits and potential risks

There are some benefits and potentially serious risks when people with heart failure use complementary and alternative medicines (CAM), to manage symptoms, so involving the health care team is important for safety, according to a new American Heart Association scientific statement published today in the Association's flagship, peer-reviewed journal Circulation.

8 Dec 2022

Study provides first direct evidence of caffeine's ergogenicity on sprint running in athletics

At the international level of sport, even the smallest advantage can take an athlete from being a mere participant to a podium finisher.

28 Nov 2022

The separate and combined associations of coffee and tea consumption with all-cause and cause-specific mortality

Researchers investigated the association between individual and combined coffee and tea consumption and all-cause and cause-specific mortality, such as those due to cardiovascular, respiratory, and digestive diseases.

22 Nov 2022

Survey: Two-thirds of European dietitians believe drinking coffee in moderation has clear health benefits

A new report by the European Federation of the Associations of Dietitians, supported by the Institute for Scientific Information on Coffee, has revealed that almost two-thirds (62%) of European dietitians believe drinking coffee in moderation has clear health benefits, with 86% agreeing that regular moderate intake can improve alertness and 69% agreeing that regular, moderate intake is associated with an improvement in overall sports performance.

22 Nov 2022

Time-restricted eating reduces body mass in young athletic men

Researchers analyzed the impact of four weeks of time restricted eating on markers of metabolic health, body compositon, and running aerobic capacity.

17 Nov 2022

OHSU discovery could suggest new avenues to treat symptoms of Parkinson's disease

Researchers at Oregon Health & Science University have discovered that the neurotransmitter adenosine effectively acts as a brake to dopamine, another well-known neurotransmitter involved in motor control.

9 Nov 2022

How many university students regularly consume energy drinks?

A new study evaluated university students' consumption patterns of energy drinks across countries.

8 Nov 2022

Is maternal caffeine consumption associated with child growth, and are such associations present in low-consumption groups?

A new paper published in JAMA Network Open discusses the relationship between caffeine consumption in pregnancy and the future growth of the offspring.

1 Nov 2022

DNA damage in older age increases expression of ACE2 and SARS-CoV-2 infection risk

Impaired DNA repair capacity among elderly increases expression of ACE2 receptor.

26 Oct 2022

Study evaluates link between caffeine, alcohol consumption and fertility treatment outcomes

A recent analysis published in Acta Obstetricia et Gynecologica Scandinavica found no association between women's caffeine consumption and pregnancy or live birth rate after fertility treatments, but women's alcohol consumption was associated with decreased pregnancy rate after treatments when weekly consumption was greater than 84 g (approximately 7 standard drinks).

19 Oct 2022

Epigenetic changes related to Parkinson's disease are different in men and women, study says

The epigenetic changes linked to Parkinson's disease – a nervous system disorder that afflicts nearly 1 million Americans – are different in men and women, according to a new Rutgers study published in NPJ Parkinson's Disease.

18 Oct 2022