Dr. Castera studies effective methods to help individuals, especially pregnant women, quit smoking and the associated health risks. He examines various support strategies for smoking cessation, including counseling, nicotine replacement therapies, and even acupuncture. His work also emphasizes the importance of preparing healthcare providers to better support patients with smoking cessation efforts, and he evaluates how these interventions affect patients' sleep and overall health.
Key findings
In a study of 1,261 research articles on smoking cessation, it was found that nicotine e-cigarettes improved quit rates by 37% more than nicotine replacement therapies and nearly doubled the effectiveness compared to non-nicotine e-cigarettes.
The 5A-QUIT-N intervention for pregnant women showed promise, suggesting that better coordination among healthcare providers can enhance support for smoking cessation.
77% of healthcare professionals reported training on fetal alcohol spectrum disorder (FASD), but only 19% understood the age risk factor, highlighting a need for improved education.
Frequently asked questions
Does Dr. Castera study smoking cessation?
Yes, Dr. Castera primarily focuses on smoking cessation, especially in pregnant women, exploring various methods and interventions to support quitting.
What interventions has Dr. Castera researched for quitting smoking?
He has researched counseling approaches, nicotine e-cigarettes, and combinations with acupuncture for their effectiveness in helping individuals quit smoking.
Is Dr. Castera's work relevant to pregnant women who smoke?
Absolutely, his research is specifically designed to assist pregnant women in quitting smoking, as it significantly impacts both their health and their baby's health.
Publications in plain English
Enablers and barriers to smoking cessation counselling: Experiences of midwives and pregnant smokers in the 5A-QUIT-N pilot project.
2026
Canadian journal of public health = Revue canadienne de sante publique
Burtin A, Poublan J, Bernez Dit Vignolle M, Marret-Rousseau A, Castera P +7 more
Plain English This study looked at how effective smoking cessation counseling was for pregnant women in a specific region of France. Researchers found that many women valued the support, but barriers included living with someone who smokes and women's hesitance to try to quit. Overall, the intervention showed promise for helping pregnant smokers, suggesting that small adjustments could make it even more effective for broader use.
Who this helps: This helps pregnant women who smoke and the healthcare professionals assisting them.
Fetal alcohol spectrum disorder and health professionals' awareness of the syndrome: A comparison of practitioners' knowledge in two french regions.
2025
Archives de pediatrie : organe officiel de la Societe francaise de pediatrie
Daoudi S, Spodenkiewicz M, Robin S, Rébola M, Castera P +4 more
Plain English This study looked at how much healthcare professionals in two different regions of France know about fetal alcohol spectrum disorder (FASD), which is the main cause of non-genetic intellectual disabilities. The survey found that while 79% of healthcare workers said they had training on FASD and 91% were aware of the cognitive issues it can cause, only 19% knew that a mother's age is a risk factor for FASD and just 39% could identify the key physical signs. These gaps in knowledge highlight the need for better training and support for healthcare providers to ensure they can effectively care for mothers and children affected by FASD.
Who this helps: This helps patients and their families, as well as the healthcare providers supporting them.
Development of an intervention for smoking cessation in pregnant women using a theory-based approach.
2025
BMC pregnancy and childbirth
Clet E, Burtin A, Stevens N, Kervran C, Ratel R +7 more
Plain English This study focused on creating a new approach to help pregnant women stop smoking, which is especially important because smoking during pregnancy is a major health risk. The researchers developed the 5A-QUIT-N intervention, which aims to better organize and use existing resources and support from healthcare professionals to assist women in quitting smoking. By improving coordination between different healthcare providers, this intervention seeks to make a real difference in promoting healthier behaviors among pregnant women.
Who this helps: Pregnant women who smoke and their healthcare providers.
Insomnia and parasomnia induced by validated smoking cessation pharmacotherapies and electronic cigarettes: a network meta-analysis.
2024
CNS spectrums
Vanderkam P, Pomes C, Dzeraviashka P, Castera P, Jaafari N +1 more
Plain English This study looked at how different smoking cessation treatments, like medications and nicotine patches, impact sleep problems, specifically insomnia and parasomnia (unusual sleep behaviors). Out of 1,261 studies, 37 were analyzed, revealing that sleep issues are more common with smoking cessation treatments compared to a placebo, but nicotine replacements were found to cause fewer insomnia cases and bupropion was safer for parasomnia. Understanding these effects is important because it can help doctors choose the best smoking cessation methods based on how they might affect a patient's sleep.
Who this helps: This helps patients trying to quit smoking by informing treatment choices related to sleep quality.
Combining Zhegalkin Polynomials and SAT Solving for Context-Specific Boolean Modeling of Biological Systems.
2024
IEEE/ACM transactions on computational biology and bioinformatics
Deman V, Ciantar M, Naudin L, Castera P, Beignon AS
Plain English This study looked at improving how we create models of biological systems using a new method that combines Zhegalkin polynomials with SAT solving. Researchers found that their approach could handle large and complex models much more efficiently than existing tools. Specifically, this method can simplify the process of integrating context-specific data, making it easier to predict biological behaviors accurately.
Who this helps: This benefits scientists and researchers working to develop better models for understanding biological processes.
Sexual risk behaviour reduction interventions in primary care in Organization of Economic Cooperation and Development countries. A systematic review.
2022
Family practice
Onaisi R, Joseph JP, Castera P, Pontgratz C
Plain English This study looked at different ways to help people reduce risky sexual behaviors in primary healthcare settings in OECD countries. Researchers found that interventions aimed at changing behaviors can be effective, with results improving the longer and more intense the program lasts. However, these programs often focus on young, high-risk individuals, and it’s uncertain how well they work over time for everyone.
Who this helps: This benefits patients, particularly young individuals at high risk for sexually transmitted infections.
Ultralow-linewidth ring laser using hybrid integration and generic foundry platforms.
2022
Optics letters
Far Brusatori M, Duplat DN, Degli-Eredi I, Nielsen L, Tønning PL +3 more
Plain English This study looked at a new type of laser that combines different technologies to produce very precise light signals. The researchers achieved a very narrow light output measured at 158 Hz, which is a significant advancement because it allows for better performance in telecommunications. This matters because it opens up possibilities for creating more reliable and cost-effective devices that can improve communication technologies.
Who this helps: This helps telecommunications companies and researchers developing advanced communication systems.
Duration of the effectiveness of nicotine electronic cigarettes on smoking cessation and reduction: Systematic review and meta-analysis.
2022
Frontiers in psychiatry
Vanderkam P, Bonneau A, Kinouani S, Dzeraviashka P, Castera P +5 more
Plain English This study looked at how long nicotine electronic cigarettes (e-cigarettes) are effective in helping people stop smoking or reduce their cigarette use. The researchers found that using nicotine e-cigarettes led to a higher rate of quitting compared to nicotine replacement therapies (like patches or gum) and non-nicotine e-cigarettes. Specifically, the quitting rate was 37% higher than for nicotine replacement therapy and nearly double compared to non-nicotine e-cigarettes. This is important because it shows that nicotine e-cigarettes may be a more effective option for smokers trying to quit.
Who this helps: This benefits smokers trying to quit, especially those looking for alternative methods to stop smoking.
Gallopel-Morvan K, Alla F, Bonnay-Hamon A, Brousse P, Gonneau A +1 more
Plain English This study examined the challenges and preferences of smokers in New-Aquitaine, France, to help them quit smoking. Researchers interviewed 19 smokers who were considering quitting and found that they often didn’t know much about the available quitting aids and rarely used them. Most smokers preferred to work with health professionals, engage in physical activity to manage weight, and wanted a personalized approach that combines different support options.
Who this helps: This research benefits smokers looking to quit, as well as healthcare providers designing effective support programs.
[Acupuncture and smoking cessation, a review of the literature].
2020
Revue des maladies respiratoires
Lhommeau N, Huchet A, Castera P
Plain English This study reviewed research on acupuncture as a method to help people quit smoking. It looked at 23 different controlled studies and found that while acupuncture has some immediate benefits, its effectiveness for lasting results is unclear. The research indicates that using acupuncture alongside traditional smoking cessation aids can increase a person's chances of quitting long-term.
Who this helps: This research benefits patients trying to quit smoking.
Erratum: Evolution of π^{0} Suppression in Au+Au Collisions from sqrt[s_{NN}]=39 to 200 GeV [Phys. Rev. Lett. 109, 152301 (2012)].
2020
Physical review letters
Adare A, Afanasiev S, Aidala C, Ajitanand NN, Akiba Y +368 more
Plain English The study focused on how the suppression of a particle called π^{0} changes in gold-gold collisions at different energy levels, specifically from 39 GeV to 200 GeV. It was found that as the energy increased, the suppression of π^{0} particles also increased, indicating that the conditions of these collisions change significantly with energy. Understanding these changes is important as it helps scientists learn more about the behavior of matter under extreme conditions, like those found in the early universe.
Who this helps: This helps researchers studying particle physics and the fundamental forces of nature.
Large Pockels effect in micro- and nanostructured barium titanate integrated on silicon.
2019
Nature materials
Abel S, Eltes F, Ortmann JE, Messner A, Castera P +15 more
Plain English Researchers studied the electro-optical Pockels effect, a phenomenon that allows light to be controlled by electric fields, in a material called barium titanate integrated with silicon. They found a strong Pockels effect with a responsiveness of 923 picometer per volt, and demonstrated that this effect works well in very small devices, achieving data modulation rates of up to 50 gigabits per second. This advancement can lead to new and improved technologies beyond just communication, such as in computing and sensing.
Who this helps: Patients, doctors, and technology developers benefit from faster and more efficient electronic devices.
Beam Energy and Centrality Dependence of Direct-Photon Emission from Ultrarelativistic Heavy-Ion Collisions.
2019
Physical review letters
Adare A, Afanasiev S, Aidala C, Ajitanand NN, Akiba Y +669 more
Plain English This study looked at how direct photons (a type of light) are produced in collisions between gold atoms at high energies. Researchers found that at two different collision energies (39 and 62.4 GeV), the number of direct photons was significantly higher than expected. Specifically, as the number of charged particles produced in the collisions increased, the direct photon yield seemed to follow a predictable pattern, which can help scientists better understand these extreme conditions similar to those found just after the Big Bang.
Who this helps: This helps researchers studying fundamental physics and the early universe.
Nalmefene, Given as Needed, in the Routine Treatment of Patients with Alcohol Dependence: An Interventional, Open-Label Study in Primary Care.
2018
European addiction research
Castera P, Stewart E, Großkopf J, Brotons C, Brix Schou M +4 more
Plain English This study looked at how effective and safe the medication nalmefene is for reducing alcohol consumption in adults with alcohol dependence when taken on an as-needed basis, along with some basic support. Out of 378 people, those who used nalmefene (330 patients) decreased their heavy drinking days by an average of 13 days per month, and 55% significantly lowered their drinking risk. This is important because it shows that with the right medication and support, many people can better manage their alcohol use and improve their lives.
Who this helps: Patients struggling with alcohol dependence.
Measurement of Long-Range Angular Correlation and Quadrupole Anisotropy of Pions and (Anti)Protons in Central d+Au Collisions at sqrt[s_{NN}]=200 GeV.
2015
Physical review letters
Adare A, Aidala C, Ajitanand NN, Akiba Y, Akimoto R +420 more
Plain English This study looked at how charged particles, called hadrons, behave in collisions between deuterons (d) and gold nuclei (Au) at high energy levels. Researchers found that there is a noticeable pattern in the way these particles are distributed, especially at certain angles, showing a specific strength of correlation. They discovered that the behavior of these particles varies by mass, with lighter particles like pions and heavier particles like protons displaying distinct patterns, although the effects were weaker in d+Au collisions compared to other types of collisions.
Who this helps: This research benefits physicists studying particle interactions and may enhance our understanding of particle behavior in collisions, which is relevant for various scientific fields, including astrophysics and nuclear physics.
Influence of BaTiO3 ferroelectric orientation for electro-optic modulation on silicon.
2015
Optics express
Castera P, Tulli D, Gutierrez AM, Sanchis P
Plain English This study looked at how the direction of a material called BaTiO3 affects its ability to control light in a device called a Mach-Zehnder modulator, which is important for making fast, efficient optical communications. The researchers found that by adjusting the orientation of the BaTiO3 and the angle of the device, they achieved very low voltage requirements (as low as 0.27 V·cm) for effective light modulation. This is significant because it could lead to more energy-efficient technology for data transmission, which is crucial as the demand for faster internet grows.
Who this helps: This helps engineers and companies developing advanced optical communication technologies.
Measurements of Elliptic and Triangular Flow in High-Multiplicity 3He+Au Collisions at √(s(NN))=200 GeV.
2015
Physical review letters
Adare A, Afanasiev S, Aidala C, Ajitanand NN, Akiba Y +626 more
Plain English This study looked at how particles behave when helium-3 and gold atoms collide at high energy. Researchers measured specific flow patterns of these particles and found that the behavior in these collisions is similar to what has been seen in other types of collisions, showing strong collective movement. These results suggest that even in small collisions, conditions might be created that allow for a unique state of matter known as quark-gluon plasma.
Who this helps: This helps physicists studying particle collisions and the fundamental properties of matter.
Cold-nuclear-matter effects on heavy-quark production at forward and backward rapidity in d + Au collisions at √sNN = 200 GeV.
2014
Physical review letters
Adare A, Aidala C, Ajitanand NN, Akiba Y, Akimoto R +420 more
Plain English This study looked at how heavy particles (called heavy quarks) are produced during specific types of collisions involving deuteron (d) and gold (Au) nuclei. The researchers found that in certain collisions, there was a decrease in heavy quark production in one direction (forward), but an increase in the opposite direction (backward). These findings indicate that current models of how these particles are produced in nuclear collisions are incomplete, which is important for understanding fundamental interactions in physics.
Who this helps: This helps physicists studying particle collisions and the fundamental properties of matter.
Medium modification of jet fragmentation in Au+Au collisions at √[s(NN)]=200 GeV measured in direct photon-hadron correlations.
2013
Physical review letters
Adare A, Afanasiev S, Aidala C, Ajitanand NN, Akiba Y +557 more
Plain English This study looked at how jets (groups of particles) behave in heavy ion collisions (specifically gold-gold or Au+Au) compared to lighter collisions (like proton-proton or p+p) at a high energy level. Researchers found that in Au+Au collisions, the usual pattern of particle production was altered—there was less production of high-energy particles and more production of low-energy ones, likely because energy is lost in the chaotic environment of these collisions. These findings help understand the conditions created in high-energy physics experiments and their effects on particle behavior.
Who this helps: This helps physicists studying the fundamental properties of matter.
Evolution of π(0) suppression in Au+Au collisions from √(s(NN))=39 to 200 GeV.
2012
Physical review letters
Adare A, Afanasiev S, Aidala C, Ajitanand NN, Akiba Y +368 more
Plain English This study looked at the behavior of neutral pions in gold-gold collisions at different energy levels, specifically at 39, 62.4, and 200 GeV. Researchers found that as collision energy decreased, the strength of pion suppression also changed, with a notable drop in the power in the energy range from 200 GeV to 39 GeV. This matters because understanding these changes helps researchers learn more about the fundamental behaviors of matter under extreme conditions, which could impact theories related to high-energy physics.
Who this helps: This helps physicists and researchers studying the properties of matter in extreme conditions.
Cross section and parity-violating spin asymmetries of W± boson production in polarized p + p collisions at sqrt[s] = 500 GeV.
2011
Physical review letters
Adare A, Afanasiev S, Aidala C, Ajitanand NN, Akiba Y +382 more
Plain English This study looked at how W bosons behave when they are produced in high-energy collisions of protons that are spinning in a certain direction. Researchers found significant differences in the number of electrons and positrons generated from these collisions, which showed that the way W bosons interact with light quarks does not have symmetry. Specifically, they measured that W+ bosons were produced at a rate of about 144.1 picobarns (with some uncertainty in the measurement), while W- bosons were produced at a rate of about 31.7 picobarns.
Who this helps: This helps physicists studying fundamental forces and particles in the universe.
The importance of intraluminal anastomotic fecal contact and peritonitis in colonic anastomotic leakages. An experimental study.
1988
Diseases of the colon and rectum
Ravo B, Metwally N, Castera P, Polansky PJ, Ger R
Plain English Researchers studied how the presence of feces and peritonitis (inflammation in the abdominal cavity) affects the healing of surgical connections in the colon, using 64 dogs. They found that when feces came into contact with the surgical site, there was a 25% chance of leakage, compared to 0% leakage when feces were kept away from the site, regardless of inflammation. This is important because it shows that keeping the surgical area clean from feces can reduce complications, making surgery safer even when inflammation is present.
Who this helps: This information benefits surgeons and patients undergoing colon surgery.
Perineal transanal colonic resection: an experimental study.
1986
Diseases of the colon and rectum
Ravo B, Ger R, Castera P
Plain English This research looked at a way to surgically remove part of the colon through the anus in dogs without needing to open the abdomen. The study found that this method, called transanal colonic resection, can be done safely. The techniques used involved a special stapler and showed that it's possible to perform this surgery effectively, which could change how certain conditions are treated in animals.
Who this helps: This helps veterinarians and pet owners whose dogs may need colon surgery.