1. Non-Infectious Diseases and your Health

2. Brainstorm… What things affect your health?
In your opinion, what affects your health the most…
Lifestyle choices?
Environmental factors?
Genetics?

3. Noninfectious Diseases
Diseases that are not caused by pathogens and not transmitted from person to person.
*Also known as Non-communicable diseases
Over history, infectious diseases have decreased, noninfectious have increased.
Examples: diabetes, heart disease, cancer

4. Causes of Noninfectious Diseases
Lifestyle Choices: diet, exercise, tobacco, alcohol, drugs, and stress
Environmental Factors: chemical exposure, carcinogens, air pollution, water pollution, food safety
Genetics: inheritance plays a part in determining lifespan and the likelihood of developing certain illnesses.

5. Lifestyle choices
Diet: Eating a healthy diet can reduce the risk of certain diseases.

6. Diet (lifestyle choice)
Digestion is the process that allows your body to get the nutrients and energy it needs from the food you eat.
Overnutrition- is frequent overconsumption of food. Leads to obesity.
Malnutrition- when your body does not get enough nutrients.

7. Diseases related to Diet and Exercise
Causes:
High salt in diet
High Saturated Fat and Cholesterol
Sugary Diet, Excess weight, Inactivity
Diseases:
Hypertension
Heart Disease
Type II Diabetes

8. Tobacco (lifestyle choice)
Tobacco products contain carcinogens and the addictive substance nicotine.
Tobacco use and/or secondhand exposure increases risk of cancer, heart disease, asthma, and emphysema.

9. Alcohol (lifestyle choice)
Overuse of alcohol can lead to
cirrhosis, pancreatitis, and
heart disease.
Pregnant women who drink
may cause their baby to be born with
fetal alcohol syndrome.
FAS babies may have
mental disabilities, physical
deformities, and other
birth defects.

10. Environmental Factors
Radon gas: lung cancer
Air pollution: asthma and cancer
Water pollution: cancer and birth defects
UV radiation: skin cancer

11. What is Cancer? Cancer- abnormal cells divide out of control
(uncontrolled mitosis)
Carcinogens – Chemicals
that cause cancer

12. Genetics
Genetics play a factor in a person’s susceptibility to certain diseases.
This explains why some people can smoke their whole lives and do not get cancer and some people smoke for a year and get cancer.
Example: Cystic Fibrosis is caused by a Genetic Mutation in a person’s DNA