Causes by errors in genetic information Like abnormalities in chromosomes or due to environmental factors Examples?
Born with diseases, perhaps because of mother’s drug use, a prescription that caused birth defects Like Accutane, an acne medication, taken off market; including brain, heart, and face deformities Abnormalities may also develop in-utero, during formative stage (1 st trimester) Over exposure to x-rays
Resulting from breakdown of body parts Conditions associated with aging, heart attacks, strokes, arthritis, vessel blockage
New growths Due to chemical agents, like radiation Too much sun or x-rays Viruses like HPV or cell changes, cancer
Body’s production of necessary or essential chemical or proper functioning is non- existent or defective Diabetes, thyroid problems, lactose intolerance, etc.
Not enough nutrients; minerals, vitamins or proteins Rickets is a vitamin D deficiency; causing bone to soften and legs bow Scurvy; lack of vitamin C
Result from improper function of body’s immune system Overactive suppressor T cells contribute to immunologic diseases like Rheumatoid Arthritis; body attacks itself
Highly contagious caused by pathogens, disease causing organisms Including bacteria, viruses, fungi, and parasites
Caused by emotional factors including stress that may be associated with: fear, anxiety, and crises May cause gastrointestinal disorders, skin irritations, breathing difficulties Examples?
Cocci: - round, or chains; streptococcus Bacilli: - Diplobacillus & Streptobacillus Spirals: - twisted, bent, compressed forms and vibrio; like a comma
Study of populations and diseases that affect them: 1. Epidemic: - involves a large segment of population for a limited period of time 2. Endemic: - involves a certain geographical area; affects few individuals 3. Pandemic: - affects several countries or the world 4. Sporadic Diseases: - rare, irregular; like whooping cough