The Gender Divide in Asthma: Why Women Face Higher Risks and Social Barriers

The Biological Foundations of Disparity

Medical data highlights a sharp sex-based divide in respiratory health. While asthma is more frequent in boys during childhood, a reversal occurs following puberty. Hormonal, genetic, and structural changes in the airway contribute to adult women carrying a higher disease burden and facing more frequent hospitalizations than their male counterparts. Specifically, Group 2 innate lymphoid cells (ILC2s), which trigger airway inflammation, are suppressed by testosterone. The lower levels of this hormone in women permit greater inflammatory activity.

Hormonal Fluctuations and Symptom Control

Women experience specific physiological shifts that complicate asthma management. Fluctuations in estrogen and progesterone can intensify airway inflammation and bronchial sensitivity. This often results in 'perimenstrual asthma,' where symptoms worsen in coordination with the menstrual cycle. Pregnancy presents further risks; roughly one-third of expectant mothers see their condition deteriorate, potentially impacting both maternal and fetal health. Additionally, conditions such as perimenopause and menopause significantly alter the underlying biology of the lungs.

Environmental Triggers and Social Stigma

Gender roles often dictate different exposure levels to environmental hazards. In rural settings, many women are exposed to biomass fuels from indoor cooking fires, while urban environments present risks from cleaning products, perfumes, and cooking fumes. Beyond physical triggers, social pressures frequently hinder effective treatment. In India, physicians observe families requesting to discontinue life-saving inhaler use for young women approaching marriageable age, fearing that the medication will be viewed as a disability or imperfection by future in-laws.

The Psychological and Physical Cost of Neglect

• Mental Health: Estrogen's interaction with brain pathways makes women with asthma more susceptible to anxiety compared to men.
• Obesity: Women are more likely to suffer from obesity-related asthma, which is characterized by heightened systemic inflammation and poor symptom control.
• Treatment Gaps: Inhalers provide direct, low-dose medication with minimal side effects, yet the stigma surrounding their use leads many women to hide or stop their treatment.

Closing the care gap requires shifts in research and public perception. Medical intervention must move toward gender-agnostic standards that account for the physiological and societal realities women face. Targeted education is necessary to dismantle myths and ensure that chronic airway inflammation is managed consistently rather than hidden.

Source: The Hindu — Home