External
From Health Facts
There is a growing list of external factors that influence a person's state of health. Those factors include:
- Accidents or Injuries
- Life events
- Smoking
- Clothing and Shoes
- Excipients and fillers
- The impact of computers, cell phones, PDAs and wireless networks
- Chemicals in Personal Care Products
- Chemicals in household products
- Chemicals in gardening supplies
- Chemicals in hobby supplies, toys, etc.
- Cooking and storage equipment and utensils
- Tattoos and body piercings
- Flying
- Ergonomics, carrying loads (purses, backpacks, etc.)