How France Built Its System of Workplace Health: A History of Médecine du Travail, 1880–1979

France has required every employer, in every company, regardless of size, to provide its workers with a doctor whose sole legal mission is to protect their health — not to serve production, and not, formally, to serve the employer who pays for the service. To an English-speaking reader, that arrangement can sound almost implausible. It took nearly a century to build, through industrial disasters, two world wars, a wartime regime whose legacy is genuinely uncomfortable, and a generation of doctors who, in the wake of May 1968, stopped asking “is this worker fit?” and started asking “is this job fit for a human being?” This is the story of how that system came to be.

A system with no real equivalent abroad

Anyone who has worked in France, or negotiated with a French subsidiary, has run into médecine du travail — usually translated as “occupational medicine,” though the phrase undersells what it actually is. It is not a workplace wellness perk, and it is not the kind of injury-compensation medical exam familiar from Anglo-American workers’ compensation systems. It is a mandatory, nationwide medical service, funded almost entirely by employers, whose doctors are nonetheless bound by law to independence from the employer’s interests, and whose statutory job is a single sentence: prevent any deterioration of a worker’s health caused by their work.

Every French worker, from a two-person bakery to a multinational headquarters, is entitled to it. That universality, and the specific brand of institutional independence the law tries to guarantee, are the products of a long and often contradictory history — one that a five-part French-language series on the blog Santé & Travail has traced in detail, period by period. This article draws that history together for readers who don’t read French, tracing occupational health in France from its nineteenth-century origins through the reform that, in 1979, closed the formative chapter of the modern system.

1880–1919: A risk with no name

Before the First World War, there was no organised system of medical oversight for workers in France. A handful of large employers — mines, railways — kept doctors on staff, but nothing resembling today’s mandatory service existed. Industrial accidents and occupational disease were, by and large, treated as the unavoidable cost of progress, and an injured worker seeking compensation had to prove, in court, that the employer was at fault. In practice, that was often impossible.

Two things broke that logic open. The first was visibility: as industrialisation advanced, its human cost became harder to ignore — lead and mercury poisoning, silicosis among miners, mutilations and deaths on unguarded machinery. The second was legal: the law of 9 April 1898 on industrial accidents introduced, for the first time, a no-fault compensation principle. A worker no longer had to prove the employer’s negligence to be compensated — the risk itself was “socialised,” treated as a cost industrial society had to absorb collectively. That principle still underpins the French social security system’s work-accident and occupational-disease branch today.

Occupational disease, as opposed to accident, proved a harder fight. Employers frequently disputed the link between working conditions and the diseases doctors observed, and some physicians preferred to blame individual predisposition rather than the workplace. The scandal of “phosphorus necrosis” — a horrific bone-destroying condition among matchstick workers exposed to white phosphorus — helped turn public opinion. Then the First World War acted as an accelerant: arms factories, desperate for output, brought in medical inspections, dispensaries, and hiring exams, and pioneered the idea — radical for the time — that a job should be adapted to a worker’s physical capacities, not the other way around. The war ended just as the law of 25 October 1919 created the first official schedules of occupational diseases: lists of conditions presumed linked to specific jobs, sparing workers the burden of proving causation individually. Updated many times since, those schedules are still the backbone of occupational-disease recognition in France today.

1919–1939: A speciality finds its name

By 1919, the pieces were in place, but nothing was yet secure. Occupational medicine had no recognised status as a speciality; company doctors were rare; compensation for occupational disease remained narrow and slow, and France lagged noticeably behind Switzerland, Germany and the UK, which maintained far more generous lists of compensable conditions.

What changed over the next two decades was less legislative than professional and cultural. Large chemical, metallurgical and mining firms began to realise, independent of any legal obligation, that accidents and absenteeism were expensive — prevention became as much a management tool as a health measure, closely tied to the era’s enthusiasm for Taylorism and “scientific” work organisation. That gave rise to an enduring and unresolved tension: was the factory doctor there to protect workers, or to select and sort them? Psychotechnical laboratories sprang up in major companies to test workers’ physical and psychological “fitness,” a practice that sat uneasily alongside a genuine, parallel push for disease prevention. The same period also saw mass recruitment of foreign and colonial labour, screened through medical border controls that mixed public-health, demographic and — the historical record is blunt about this — openly eugenic reasoning.

A more purely institutional turning point came around 1927, when the term médecine du travail itself began to displace older labels like “industrial medicine” or “industrial hygiene” — a small linguistic shift that signalled something real: prevention, toxicology, work physiology and medical surveillance were coalescing into a single, self-aware discipline. The 1929 Congress of Lyon crystallised that momentum, bringing industrialists, unions, doctors and government officials together for the first sustained debate on how to define and organise occupational medicine, and pushing France towards the standards recommended by the International Labour Office — silicosis, long disputed, gained recognition there as a genuine occupational disease, prefiguring the asbestos battles of the century’s later decades. A genuine professional elite formed around Paris’s Institute of Industrial Hygiene through the 1930s, with dedicated journals, university teaching, and a recognisable cohort of specialists. When the Popular Front government arrived in 1936, the CGT trade union pushed hard for mandatory medical services and stronger inspection — proposals employers resisted, but which directly foreshadowed the postwar settlement. By 1939, occupational medicine existed in fact, in pockets, without yet existing as a universal legal obligation.

1939–1946: How prevention became mandatory — including through Vichy

The law of 11 October 1946 is remembered, with good reason, as the founding text of modern French occupational medicine: it made a medical service compulsory in every private-sector company, of any size, with an exclusively preventive mission. But treating 1946 as a clean starting point erases seven eventful years — and a chapter of the story historians are right to insist on telling without flinching.

The Second World War reproduced, in intensified form, the labour shortage and production pressure of 1914–18: sixty-hour weeks became common, and work-related accidents and exhaustion climbed sharply. Days before France’s military collapse, a largely forgotten administrative recommendation dated 9 June 1940 already sketched the modern company doctor’s role — company medical services, regular health surveillance, disease prevention, oversight of working conditions.

What followed under the Vichy regime is genuinely uncomfortable, and the French series treats it as such rather than smoothing it over. Vichy did not invent occupational medicine — its foundations went back to 1898 — but the regime acted as an unmistakable institutional accelerator, embedding new structures within its authoritarian, corporatist “Labour Charter” and its close control of workplace relations. In 1941 it created the inspection médicale du travail, a national corps of doctors tasked with overseeing company medical services — an innovation that directly prefigures the labour-medicine inspectorate that still exists today. The law of 28 July 1942 went further, making medical services compulsory in larger establishments and establishing periodic — not just occasional — medical surveillance as a legal requirement.

The same years produced the Fondation française pour l’étude des problèmes humains, built around the surgeon Alexis Carrel, which mixed medicine, biology, demography and labour policy in the service of the regime’s population politics — an institution whose orientations, historians now agree, were deeply objectionable, and whose influence on the period’s debates the series records rather than omits. Under Vichy, the company doctor’s brief expanded well past workplace risk to managing labour supply and serving the regime’s demographic and productivist aims: workers were treated, first and foremost, as a national productive resource.

What is genuinely striking is what survived Vichy’s fall. After the Liberation in 1944, France’s new authorities rebuilt its social institutions on democratic foundations, but they did not tear down the medical-service architecture Vichy had assembled — compulsory services, periodic surveillance, a medical inspectorate. Many professionals who had built that structure, before the war and during the Occupation, stayed in post. What changed was the stated purpose: after fierce postwar debate between a “control” model of workplace medicine (managing and sorting labour) and a “prevention” model (protecting worker health), it was the preventive model — championed above all by the reconstituted trade unions — that won out. Law n° 46-2195 of 11 October 1946 codified that choice: mandatory, universal, and, on paper, exclusively preventive. It is the law French occupational physicians still cite as their founding text — even though, mechanically, much of its institutional machinery was Vichy’s, repurposed to a fundamentally different end.

1946–1965: A legal victory, a practical struggle

Winning the legal battle did not win the practical one. Between 1946 and 1965, occupational medicine had to invent, with chronically limited resources, what it would actually do inside the booming factories of France’s postwar “Trente Glorieuses.” Leading figures like Henri Desoille pushed an ambitious vision — disease prevention, real improvement of working conditions, a genuine contribution to public health, echoing the era’s broader social projects (the 1945 creation of Social Security, national economic planning). But the postwar labour shortage also cast the company doctor as an instrument for optimising what the era bluntly called the “human factor” in production — protecting workers’ health while also raising output, a dual mandate that built tension into the profession from day one.

Faced with too few doctors for too many small and medium-sized firms, France invented services interentreprises — shared medical services pooling several employers’ obligations into a single structure. It solved a real coverage problem, but at a cost the series is candid about: doctors attached to a shared, multi-company service became structurally more distant from the shop floor they were meant to know. That contradiction — mutualise to be everywhere, and risk being truly present nowhere — has never fully been resolved; it is still what France’s 2021 occupational-health reform is trying to fix.

Starved of resources for genuine collective prevention, the profession’s daily practice collapsed, in effect, into one activity: the individual fitness-for-work exam. Workplace visits stayed rare; job-site studies stayed exceptional. Detailed “fitness cards,” influenced by Taylorist work-physiology methods, tried to measure each worker’s physical capacities and slot them into the “right” job — an approach that revived, in a new form, the old tension between medicine as selection tool and medicine as protection. A separate, quieter debate also opened in these years and would take decades to resolve legally: can a doctor paid by the employer that employs the worker really be independent? By the late 1950s, unions and many company doctors themselves were openly criticising a discipline that had become, in practice, an administrative routine of repetitive individual exams, disconnected from the real conditions of work.

1965–1979: Changing the question

Until the mid-1960s, occupational medicine in practice reduced almost entirely to one question: is this worker fit? Within fifteen years, a different question had taken hold: is this job fit for a human being? That shift is arguably the deepest transformation in the discipline’s history, and it did not come from legislators — it came from a new generation of doctors, unionists, and researchers who, especially after May 1968 turned working conditions, pace, noise and worker autonomy into subjects of open social debate, refusing to treat individual “fitness” as a neutral, apolitical measurement.

Out of that ferment came the tiers temps — literally “third of the time” — the principle that a company doctor should spend a substantial share of working hours outside the consulting room: visiting sites, studying job stations, engaging directly with workplace safety committees. For the first time, the organisation of work itself, not just the individual worker’s body, became a proper object of medical observation. The principle is now written into the French labour code, still shaping how the job is done fifty years later.

A stark, real-world illustration of the old model’s limits arrived with the Penarroya affair: a metals group whose workers — many of them immigrant labourers — suffered severe lead poisoning at plants near Paris and Lyon in the early 1970s, poisoning that hospital doctors, not the periodic occupational-medicine exams meant to catch it, ultimately detected. It became a rallying point for a new generation of “critical” physicians who argued the discipline had grown too administrative, too distant from the shop floor, and too close to employers, to do its actual job. Around the same period, ergonomics arrived as a distinct scientific discipline in France, led by figures like Alain Wisner, and inverted the founding premise of a century of practice: rather than adapting the worker to the job, the goal became adapting the job to the worker. Psychologists, sociologists and safety engineers joined a field that had been almost exclusively medical, prefiguring the multidisciplinary teams of today’s occupational health services. The decree of 20 March 1979 consolidated these shifts into firmer regulation — stricter qualification requirements, tighter oversight of medical services — closing out what the Santé & Travail series treats as the formative, and arguably most consequential, period of the discipline’s modern history.

What persists

None of the tensions this history traces have simply resolved themselves. The pull between protecting workers’ health and serving an employer’s production goals — visible in the 1898 debates, in Vichy’s repurposed institutions, in the 1950s “fitness card,” in the Penarroya scandal — is still the live fault line in French occupational health today, as is the question of a company doctor’s real independence from the employer who funds their service (now given explicit legal protection under Article L. 4623-8 of the labour code). What changed permanently between 1880 and 1979 is the underlying premise: that a worker’s health is not a private risk to be borne alone, but a shared responsibility that industrial society — through law, through institutions, and through an entire medical speciality built for the purpose — is obliged to manage.

For French-speaking readers who want the full, richly sourced account — legal texts, historians’ work, and the professional detail this overview necessarily compresses — the original five-part series is available at santetravail.blog, under the collection “Histoire de la santé au travail.”

Sources

• Law of 9 April 1898 on industrial accidents; Law of 25 October 1919 creating the occupational disease schedules.
• Vincent Viet, Les Voltigeurs de la République. L’inspection du travail en France jusqu’en 1914, CNRS Éditions, 1994.
• Judith Rainhorn, Blanc de plomb. Histoire d’un poison légal, Presses de Sciences Po, 2019.
• Alain Drouard, Une inconnue des sciences sociales : la Fondation Alexis Carrel (1941-1945), INED / Maison des sciences de l’homme, 1992.
• Law n° 46-2195 of 11 October 1946 on the organisation of occupational medical services.
• Paul-André Rosental, La Santé au travail, 1880-2006, La Découverte, coll. « Repères ».
• Céline Pessis, Sezin Topçu, Christophe Bonneuil (eds.), Une autre histoire des « Trente Glorieuses ». Modernisation, contestations et pollutions dans la France d’après-guerre, La Découverte, 2013.
• Laure Pitti, « Penarroya 1971-1979 : “Notre santé n’est pas à vendre !” », Plein Droit, n° 83, 2009.
• Alain Wisner, Réflexions sur l’ergonomie (1962-1995), Octarès, 1995.
• Decree n° 79-231 of 20 March 1979 on occupational medical services.
• French Labour Code, articles L. 4622-1 et seq., L. 4623-8, R. 4623-1 et seq.

Further Reading

• Aux origines de la médecine du travail (1880-1919)
• Comment la médecine du travail est devenue une spécialité (1919-1939)
• Comment la médecine du travail est devenue obligatoire (1939-1946)
• Comment la médecine du travail a trouvé une place dans les entreprises (1946-1965)
• Comment la médecine du travail a changé de regard sur le travail (1965-1979)

Philippe Casanova is an occupational physician (médecin du travail) and forensic physician (médecin légiste). He writes the blog Santé & Travail, on the intersections of medicine, law, prevention and the human sciences of work.