Asthma Risk Factors
Certain risk factors increase the chance that an individual will develop asthma. These risk factors include:
- Low birth weight
- Exposure to second hand smoke
- Having a mother who smoked during pregnancy
- Exposure to airborne pollution such as exhaust fumes
- Living in a low-income environment
- Living in an urban environment
- Having other allergies
- Hay fever
- Parents or siblings with asthma
- Occupational exposure to chemicals such as those used in hairdressing, manufacturing and farming
Other factors such as obesity and stress have been linked with higher rates of asthma.
- Boys are more likely to get asthma than girls during childhood but this trend reverses during adulthood.
- There are approximately 300 million asthma sufferers worldwide.
- About 250,000 deaths are attributed to asthma each year with most of these deaths deemed to be avoidable.
- Researchers predict that there will be 400,000 asthma sufferers worldwide by 2025.
- More than 10% of asthma cases are a result of occupational exposure to fumes, gases or dust.
- Asthma deaths are more likely to occur in low and lower-middle income countries with over 80% of deaths occurring in these countries.
- Approximately 70% of asthmatics also have allergies.
- Estimates suggest that approximately half of all asthma sufferers will have had an asthma attack in any given year.
Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.