HSS 1101 Chapter Notes - Chapter 13: Waterborne Diseases, Sickle-Cell Disease, Rheumatoid Arthritis

• School: University of Ottawa
• Department: Health Sciences
• Course: HSS 1101
• Professor: Tien Nguyen

Document Summary

Epidemic: disease outbreak that affects many people in a community or region at the same time. Virulent: strong enough to overcome host resistance and cause disease. Heredity: genetic predisposition such as sickle cell anemia. Aging: after the age of 40, we become more vulnerable to chronic disease. Environmental conditions: unsanitary conditions, presence of drugs, chemicals, and hazardous pollutants. All have a major effect on the weakening of the immune system or weakening of immunological competence; ability of the body to defend itself agaist pathogens. There are some you have control over: stress and nutrition, physical inactivity and lack of sleep, poor personal hygiene, high risk behaviours (sex, drugs) They produce poisonous substances called toxins: staphylococci infections: staph(cid:455)lo(cid:272)o(cid:272)(cid:272)i are (cid:374)or(cid:373)all(cid:455) prese(cid:374)t o(cid:374) (cid:455)our ski(cid:374) a(cid:374)d do(cid:374)"t cause that many problems. But when there is a cut or break in epidermis, it may cause a staphylococci infection.