Mental health at work: 7 preconceived ideas to deconstruct in the workplace

It was true ten years ago. It is no longer true today — or rather, it ceases to be so in an increasing number of organizations, and this movement is irreversible. The health crisis of 2020 was a powerful catalyst: within weeks, millions of employees found themselves working under difficult conditions, and the most astute leaders understood that silence would no longer be tenable. Since then, senior executives and CEOs of large companies have publicly shared their own episodes of psychological vulnerability — a very powerful cultural signal that gradually reduces the stigma in their organizations.

In companies that have invested in training their managers in mental health — a number that is rapidly growing — the subject is now naturally addressed in regular one-on-one meetings, in team meetings, and in written HR policies, without generating any particular discomfort. This is not psychology — it is performance management and operational risk prevention. Millennials and Gen Z, who represent an increasing share of the workforce, consider an employer's mental health policy as an equally important selection criterion as salary. Organizations that persist in the taboo lose attractiveness — not just humanity.

This is one of the most widespread misconceptions in French organizations — and undoubtedly one of the most costly in terms of impact on the early detection of difficulties. It is based on a deep confusion between psychological vulnerability (a universal human characteristic that has nothing to do with character or professional value) and weakness of character (a moral value judgment that has no clinical basis). The clinical reality is exactly the opposite: people who experience severe burnouts or work-related depressive episodes are statistically among the most engaged, the most high-performing, and the most conscientious of their teams. Precisely because they do not give up easily, because they have high standards, and because they resist overload for a long time — which means that when they collapse, the fall is deeper and the recovery is longer.

This misconception has two complementary perverse effects that feed into each other. On one hand, it leads managers not to exercise particular vigilance over their best elements — those precisely who need preventive attention the most because they resist longer and collapse more abruptly. On the other hand, it leads employees in difficulty to deny their own state for fear of appearing "weak" — reinforcing silence and delaying the search for help. Research in psychiatry and occupational psychology is formal on this point and leaves no room for ambiguity: burnout is not the illness of the fragile. It is the illness of those who give too much, for too long, without sufficient support.

This confusion between temporary fatigue and pathological professional exhaustion is one of the most widespread — and one of the most dangerous. It leads to minimizing situations that require real medical intervention, pushing employees in advanced burnout to return too quickly, and not taking early signals seriously by saying to oneself "he just needs to rest." Temporary fatigue disappears with rest. Professional exhaustion, on the other hand, persists despite rest — this is actually one of its diagnostic criteria.

Burnout is defined by the WHO as a syndrome resulting from unmanaged chronic stress, characterized by deep emotional exhaustion, depersonalization (cynicism, distancing), and a reduction in personal accomplishment. These three dimensions correspond to real neurobiological changes — notably an alteration in the functioning of the prefrontal cortex and a dysregulation of the HPA axis (hypothalamic-pituitary-adrenal) that regulates the stress response. These real neurobiological changes do not resolve with two weeks of vacation or even a month. They generally require several months of structured recovery, regular medical or psychological follow-up, and in severe cases, medication combined with psychotherapy. Managers who persist in this received idea risk pushing their collaborators towards a relapse — the second decompensation is generally longer and more difficult than the first.

This received idea is partially correct on one point — the manager is indeed not a therapist, and they should not try to be. But it is profoundly false in its conclusion. The role of the manager in the mental health of their team is not therapeutic — it is organizational, relational, and preventive. And it is a role that no one else can fulfill in their place. The occupational doctor does not see the employee every week. The EAP psychologist does not attend team meetings. The HR department does not know that this employee has been sending emails at 11 PM for three weeks. The manager, however, sees all of this — and has the ability to act on working conditions, workload, relationships, and team dynamics.

The proper delineation of the managerial role in mental health is as follows: the manager observes observable professional behaviors without diagnosing, opens the space for dialogue without forcing confidentiality, adapts working conditions within the limits of their skills and organizational scope, directs towards appropriate resources without imposing, and ensures a caring follow-up over time without invading. They do not diagnose, do not treat, do not replace a health professional. This clear delineation is precisely what the DYNSEO certified training Mental health at work: freeing speech and knowing how to direct provides to managers — not to make them therapists, but to make them the first actors of prevention who know exactly how far to go and when to hand over.

It is the common misconception that best explains why early detection is so difficult for untrained managers. The logic seems reasonable: if someone is really suffering, they will surely show it, talk about it, report it. But this logic is in direct contradiction with the psychological mechanisms of denial and compensation that characterize the early and intermediate stages of burnout and anxiety-depressive disorders. People in burnout are often the first to deny their state — not out of deceit, but because their psychological defense system sincerely prevents them from recognizing the extent of what they are going through. They continue to deliver, to smile in meetings, to say "I'm fine" — sometimes right up until the day before their sick leave.

This misconception is all the more dangerous as it justifies the manager's inaction ("he didn't tell me anything so everything is fine" — a logic that closes off any possibility of proactive detection) and disempowers the organization ("if someone was doing poorly, we would know" — a comfortable but empirically false belief). In reality, warning signs are almost always present in the weeks or months leading up to decompensation — but they are behavioral and observable (changes in attitude, modifications in work quality, variations in engagement, gradual relational avoidance), not verbal or declarative. These are the signals that trained managers learn to read — and that untrained managers interpret as motivation or attitude problems.

This is the classic budgetary argument — and it is based on a fundamental accounting error: comparing the cost of prevention without comparing the cost of inaction. Inaction in the face of psychological disorders at work has a considerable and well-documented cost: 55 billion euros per year for French companies (Institut Montaigne, 2022), composed of absenteeism, presenteeism, turnover, and managerial costs. For an organization of 100 employees, the annual cost of inaction is estimated to be between 50,000 and 150,000 euros depending on the sector and the organization's specific data.

In contrast, the most effective prevention actions — notably training managers in detection and referral — have very accessible unit costs (a few hundred euros per trained manager, often 100% fundable through OPCOs), and generate documented returns from the first year. WHO and The Lancet have established that every euro invested in mental health prevention at work generates an average of 5 euros in savings. SMEs often benefit from an even faster ROI, because each long-term sick leave has a relatively stronger impact in a small structure. The budget argument is therefore, when pushed to its logical consequences, a powerful argument in favor of preventive action — not costly inaction.

The fear of Pandora's box is the final resistance, often unconscious, to any serious workplace mental health policy — and it may be the most humanly understandable, even if it is empirically wrong. The underlying logic is: "if we open this subject, people will start complaining about everything, we will be overwhelmed, and we won't have the resources to respond." This fear is humanly understandable — but it is factually wrong and confuses cause and effect. Mental health issues in the organization already exist, whether we talk about them or not, and they worsen in silence. The difference is that if we don't talk about them, they worsen silently until a costly decompensation occurs. If we talk about them, they can be treated early at a much lower cost.

Organizations that have implemented structured mental health policies consistently report the same counterintuitive phenomenon: in the first months following deployment, reports of difficulties increase — not because the situation is worsening, but because the channel for speaking out has opened and pre-existing situations finally become visible. Situations that already existed but were not visible become identifiable. This is valuable information, not a disaster. And in the following 12 to 24 months, absenteeism, presenteeism, and turnover indicators improve significantly — because situations have been addressed early rather than worsening until decompensation.