Definition and research guide
This page combines a MeSH definition, publication statistics and selected research abstracts. It is a starting point for reading the literature, not a medical textbook or a systematic evidence review.
Content available: 4 complete abstracts (1,031 words), 10 references. Full article text is not stored or reproduced here; follow the PMID, DOI or PMC links to read the original sources and their access terms.
Definition
Sweet food products combining cane or beet sugars with other carbohydrates and chocolate, milk, eggs, and various flavorings. In the United States, candy refers to both sugar- and cocoa-based confections and is differentiated from sweetened baked goods; elsewhere the terms sugar confectionary, chocolate confectionary, and flour confectionary (meaning goods such as cakes and pastries) are used.
Definition: NLM Medical Subject Headings (MeSH) scope note (Public domain (U.S. National Library of Medicine); attribution requested). View the MeSH record.
Also known as: Candies; Confection; Confections; Caramel Candy; Candies, Caramel; Candy, Caramel; Caramel Candies.
Where it fits in the MeSH classification
- Broader topics
- Food
- Narrower topics
- Chewing Gum
Research landscape
PubMed indexes 4,339 records tagged with the MeSH heading “Candy” (counts retrieved 2026-10-31). 503 of them (11.6%) were published from 2020 onward, and the busiest period so far is through 1999 with 1,604 records.
Reviews account for 423 records (9.7%) and meta-analyses for 102. Randomized controlled trials number 811 (18.7%) as a share of all records on the topic. Randomized trials make up a comparatively large share of this literature, which means many treatment questions have been tested directly.
Show the data
| Period | Records |
|---|---|
| through 1999 | 1,604 |
| 2000-2009 | 978 |
| 2010-2019 | 1,254 |
| 2020 onward | 503 |
Publication-type chart data
| Type | Records | Share |
|---|---|---|
| Reviews | 423 | 9.7% |
| Meta-analyses | 102 | 2.4% |
| Randomized controlled trials | 811 | 18.7% |
Method: PubMed query "Candy"[MeSH Terms] with publication-type and date filters, retrieved 2026-10-31.
Reading the evidence in anatomy and physiology
Anatomy describes how body structures are built and physiology describes how they normally work, so most findings here are descriptive or mechanistic rather than evidence about treatment. Much of what is known comes from dissection, imaging, tissue studies and experiments in animals, and measurements in healthy volunteers can differ from those in people with disease or at different ages. Normal ranges vary between individuals and populations. Check whether a result was measured in people or in another species, the age and health of the participants, and the method used.
Evidence from open-access studies
These open-access studies come from PubMed’s best-match results for this heading (papers whose main topic it is), ranked here by citation count, with one recent addition. Each abstract is reproduced in full under its recorded open licence so that you can read the authors’ own words. They illustrate the literature; they are not a systematic summary of it. Citation counts measure attention, not reliability or clinical benefit.
| Study / authors | Year | Source label / design | Europe PMC citations | Licence / source |
|---|---|---|---|---|
| Administration of Caffeine in Alternate Forms | 2018 | Review article Design not recorded in structured metadata | 106 | cc by PMID 29368182 · DOI · PMC5790855 |
| Biomarkers of Tobacco Exposure Decrease After Smokers Switch to an E-Cigarette or Nicotine Gum | 2019 | Randomized controlled trial Design not recorded in structured metadata | 42 | cc by PMID 30202883 · DOI · PMC6698949 |
| Diagnosing peri-implant disease using the tongue as a 24/7 detector | 2017 | Research article Design not recorded in structured metadata | 30 | cc by PMID 28811549 · DOI · PMC5557808 |
| Effect of chewing gum on clinical outcomes and postoperative recovery in adult patients after gastrointestinal surgery: an umbrella review | 2025 | Systematic review Design not recorded in structured metadata | 4 | cc by PMID 40072350 · DOI · PMC12165471 |
Administration of Caffeine in Alternate Forms [1]
Abstract reading summary — source excerpts
- Opening excerpt
- There has been recent interest in the ergogenic effects of caffeine delivered in low doses (~ 200 mg or ~ 3 mg/kg body mass) and administered in forms other than capsules, coffee and sports drinks, including chewing gum, bars, gels, mouth rinses, energy drinks and aerosols.
- Closing excerpt
- Overall, more research is needed examining alternate forms of caffeine delivery including direct measures of brain activation and entry of caffeine into the blood, as well as more studies examining trained athletes and female subjects.
- Interpretation limits
- Verbatim excerpts from the authors’ abstract; the closing excerpt may describe a finding, limitation or recommendation. Design, population, effect size and uncertainty have not been independently extracted or appraised. Read the complete abstract and linked paper before interpreting the findings.
Read complete abstract (272 words)
There has been recent interest in the ergogenic effects of caffeine delivered in low doses (~ 200 mg or ~ 3 mg/kg body mass) and administered in forms other than capsules, coffee and sports drinks, including chewing gum, bars, gels, mouth rinses, energy drinks and aerosols. Caffeinated chewing gum is absorbed quicker through the buccal mucosa compared with capsule delivery and absorption in the gut, although total caffeine absorption over time is not different. Rapid absorption may be important in many sporting situations. Caffeinated chewing gum improved endurance cycling performance, and there is limited evidence that repeated sprint cycling and power production may also be improved. Mouth rinsing with caffeine may stimulate nerves with direct links to the brain, in addition to caffeine absorption in the mouth. However, caffeine mouth rinsing has not been shown to have significant effects on cognitive performance. Delivering caffeine with mouth rinsing improved short-duration, high-intensity, repeated sprinting in normal and depleted glycogen states, while the majority of the literature indicates no ergogenic effect on aerobic exercise performance, and resistance exercise has not been adequately studied. Studies with caffeinated energy drinks have generally not examined the individual effects of caffeine on performance, making conclusions about this form of caffeine delivery impossible. Caffeinated aerosol mouth and nasal sprays may stimulate nerves with direct brain connections and enter the blood via mucosal and pulmonary absorption, although little support exists for caffeine delivered in this manner. Overall, more research is needed examining alternate forms of caffeine delivery including direct measures of brain activation and entry of caffeine into the blood, as well as more studies examining trained athletes and female subjects.
Abstract reproduced from the open-access article under the recorded cc by licence; © the authors. PMID 29368182 · DOI · PMC5790855
Biomarkers of Tobacco Exposure Decrease After Smokers Switch to an E-Cigarette or Nicotine Gum [2]
Abstract reading summary — source excerpts
- Opening excerpt
- IntroductionThe aerosol composition of electronic cigarettes (ECs) suggests that exposure to toxicants during use is greatly reduced compared to exposure from combustible cigarettes (CCs).
- Closing excerpt
- Biomarkers of tobacco combustion decreased to similar levels in both EC and gum groups.
- Interpretation limits
- Verbatim excerpts from the authors’ abstract; the closing excerpt may describe a finding, limitation or recommendation. Design, population, effect size and uncertainty have not been independently extracted or appraised. Read the complete abstract and linked paper before interpreting the findings.
Read complete abstract (314 words)
IntroductionThe aerosol composition of electronic cigarettes (ECs) suggests that exposure to toxicants during use is greatly reduced compared to exposure from combustible cigarettes (CCs).MethodsThis randomized, parallel-group, clinical study enrolled smokers to switch to Vuse Solo (VS) Digital Vapor Cigarettes (Original or Menthol) or Nicorette 4 mg nicotine gum (NG) in a controlled setting. Subjects who smoked CCs ad libitum for 2 days during a baseline period were then randomized to ad libitum use of either VS or NG for 5 days. Biomarkers of 23 toxicants were measured in 24-hour urine samples and blood collected at baseline and following product switch.ResultsA total of 153 subjects completed the study. Total nicotine equivalents decreased in all groups, but higher levels were observed in the VS groups compared to the NG groups, with decreases of 38% and 60%-67%, respectively. All other biomarkers were significantly decreased in subjects switched to VS, and the magnitude of biomarker decreases was similar to subjects switched to NG. Decreases ranged from 30% to greater than 85% for constituents such as benzene and acrylonitrile.ConclusionsThese results indicate that exposure to toxicants when using VS is significantly reduced compared to CC smoking, and these reductions are similar to those observed with use of NG. Although statistically significantly decreased, nicotine exposure is maintained closer to CC smoking with VS use compared to NG use. This research suggests that use of VS exposes consumers to fewer and lower levels of smoke toxicants than CCs while still providing nicotine to the consumer.ImplicationsThis is the first study to report changes in nicotine delivery and biomarkers of tobacco exposure following a short-term product switch from CCs to either an EC or NG in a controlled environment. The study shows that nicotine exposure decreased in both groups but was maintained closer to CC smoking with the EC groups. Biomarkers of tobacco combustion decreased to similar levels in both EC and gum groups.
Abstract reproduced from the open-access article under the recorded cc by licence; © the authors. PMID 30202883 · DOI · PMC6698949
Diagnosing peri-implant disease using the tongue as a 24/7 detector [3]
Abstract reading summary — source excerpts
- Opening excerpt
- Our ability of screening broad communities for clinically asymptomatic diseases critically drives population health.
- Closing excerpt
- Here, the authors present a peptide sensor that generates a bitter taste when cleaved by proteases present in peri-implant disease, embed it in a chewing gum, and compare the probe to existing sensors using patient saliva.
- Interpretation limits
- Verbatim excerpts from the authors’ abstract; the closing excerpt may describe a finding, limitation or recommendation. Design, population, effect size and uncertainty have not been independently extracted or appraised. Read the complete abstract and linked paper before interpreting the findings.
Read complete abstract (192 words)
Our ability of screening broad communities for clinically asymptomatic diseases critically drives population health. Sensory chewing gums are presented targeting the tongue as 24/7 detector allowing diagnosis by "anyone, anywhere, anytime". The chewing gum contains peptide sensors consisting of a protease cleavable linker in between a bitter substance and a microparticle. Matrix metalloproteinases in the oral cavity, as upregulated in peri-implant disease, specifically target the protease cleavable linker while chewing the gum, thereby generating bitterness for detection by the tongue. The peptide sensors prove significant success in discriminating saliva collected from patients with peri-implant disease versus clinically asymptomatic volunteers. Superior outcome is demonstrated over commercially available protease-based tests in saliva. "Anyone, anywhere, anytime" diagnostics are within reach for oral inflammation. Expanding this platform technology to other diseases in the future features this diagnostic as a massive screening tool potentially maximizing impact on population health.Early detection of gum inflammation caused by dental implants helps prevent tissue damage. Here, the authors present a peptide sensor that generates a bitter taste when cleaved by proteases present in peri-implant disease, embed it in a chewing gum, and compare the probe to existing sensors using patient saliva.
Abstract reproduced from the open-access article under the recorded cc by licence; © the authors. PMID 28811549 · DOI · PMC5557808
Effect of chewing gum on clinical outcomes and postoperative recovery in adult patients after gastrointestinal surgery: an umbrella review [4]
Abstract reading summary — source excerpts
- Opening excerpt
- BackgroundGastrointestinal surgery is crucial for many medical conditions but can lead to difficult recoveries.
- Closing excerpt
- Integrating chewing gum into clinical practice could enhance recovery and optimize hospital bed turnover, making it a valuable addition to postoperative care protocols.
- Interpretation limits
- Verbatim excerpts from the authors’ abstract; the closing excerpt may describe a finding, limitation or recommendation. Design, population, effect size and uncertainty have not been independently extracted or appraised. Read the complete abstract and linked paper before interpreting the findings.
Read complete abstract (253 words)
BackgroundGastrointestinal surgery is crucial for many medical conditions but can lead to difficult recoveries. Chewing gum is proposed as a remedy, yet existing reviews offer conflicting results. This umbrella review aims to synthesize the effectiveness of chewing gum on time to first flatus, time to first bowel movement, length of stay and complication rates in adult patients.MethodsWe conducted an umbrella review, searching seven databases up to 17 November 2023, with an updated search extending to 1 January 2025. The focus was on post-surgery chewing gum interventions. The quality and certainty of evidence were assessed using the AMSTAR-2 tool and umbrella review criteria.ResultsSeventeen reviews, encompassing 26 672 participants from 264 primary studies, were included. Meta-analyses indicated reductions in time to first flatus by -0.36 days (95% CI = -0.61, -0.1) or -12.26 hours (95% CI = -14.73, -9.78), time to first bowel movement by -0.59 days (95% CI = -0.94, -0.23) or -19.29 hours (95% CI = -23.79, -14.79), and length of stay by -0.85 days (95% CI = -1.22, -0.48) or -20.08 hours (95% CI = -28.62, -11.54). Additionally, chewing gum was associated with fewer postoperative complications.ConclusionChewing gum may significantly aid postoperative care by reducing time to first flatus, time to first bowel movement, and length of stay. However, many included reviews were of low quality with weak evidence, highlighting the need for more rigorous studies to confirm these benefits. Integrating chewing gum into clinical practice could enhance recovery and optimize hospital bed turnover, making it a valuable addition to postoperative care protocols.
Abstract reproduced from the open-access article under the recorded cc by licence; © the authors. PMID 40072350 · DOI · PMC12165471
Key reviews and meta-analyses
The most cited review-type papers among PubMed’s best-match results for this heading, listed with bibliographic details only. Follow the links for the full text and access terms.
- Research article Theobroma cacao L., the Food of the Gods: a scientific approach beyond myths and claims [5]
- Research article Health benefits of methylxanthines in cacao and chocolate [6]
- Research article Different doses, durations and modes of delivery of nicotine replacement therapy for smoking cessation [7]
- Research article The use of sorbitol- and xylitol-sweetened chewing gum in caries control [8]
- Research article The effect of saliva on dental caries [9]
- Research article Moisture and shelf life in sugar confections [10]
References
- Wickham KA, Spriet LL. Administration of Caffeine in Alternate Forms. . 2018. PMID 29368182 · DOI · PMC5790855
- Round EK, Chen P, Taylor AK, Schmidt E. Biomarkers of Tobacco Exposure Decrease After Smokers Switch to an E-Cigarette or Nicotine Gum. . 2019. PMID 30202883 · DOI · PMC6698949
- Ritzer J, Lühmann T, Rode C, Pein-Hackelbusch M, Immohr I, Schedler U, et al.. Diagnosing peri-implant disease using the tongue as a 24/7 detector. . 2017. PMID 28811549 · DOI · PMC5557808
- Lew SL, Cheng LJ, Yap SY, Liaw YQ, Park J, Lau ST. Effect of chewing gum on clinical outcomes and postoperative recovery in adult patients after gastrointestinal surgery: an umbrella review. . 2025. PMID 40072350 · DOI · PMC12165471
- Rusconi M, Conti A. Theobroma cacao L., the Food of the Gods: a scientific approach beyond myths and claims. Pharmacol Res. 2010. PMID 19735732 · DOI
- Franco R, Oñatibia-Astibia A, Martínez-Pinilla E. Health benefits of methylxanthines in cacao and chocolate. Nutrients. 2013. PMID 24145871 · DOI · PMC3820066
- Lindson N, Chepkin SC, Ye W, Fanshawe TR, Bullen C, Hartmann-Boyce J. Different doses, durations and modes of delivery of nicotine replacement therapy for smoking cessation. Cochrane Database Syst Rev. 2019. PMID 30997928 · DOI · PMC6470854
- Burt BA. The use of sorbitol- and xylitol-sweetened chewing gum in caries control. J Am Dent Assoc. 2006. PMID 16521385 · DOI
- Stookey GK. The effect of saliva on dental caries. J Am Dent Assoc. 2008. PMID 18595200 · DOI
- Ergun R, Lietha R, Hartel RW. Moisture and shelf life in sugar confections. Crit Rev Food Sci Nutr. 2010. PMID 20112158 · DOI
About this article
- Sources
- NLM Medical Subject Headings (definition, synonyms); NCBI PubMed (counts, identifiers); Europe PMC (open-access abstracts and citation counts).
- Verification
- Every reference was resolved against PubMed on 2026-10-31; title, year and DOI matched.
- Review state
- automated source verified; no human expert review has been recorded yet.
- Version
- 1, last updated 2026-10-31.
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Evidence strength
EvidenceHelix's computed view of the study designs behind this topic: how common meta-analyses, randomized trials and reviews are, how recent the literature is, and a plain-language reading. It describes the design mix of the literature. It is not a quality appraisal of any study, and it is not medical advice.