CH. 9 PREVENTING MAJOR DISEASE. CANCER is now No. 1 killer of Americans! UNDERSTANDING CANCER 1/3 smoking, 1/3 obesity, poor diet, inactivity. 1 in 2 American men risk of developing cancer. 1 in 3 American women risk of developing cancer.
CANCER is now No. 1 killer of Americans!
Tumor - Abnormal cells grouped together
METASTASIZE – spread the cancer to other parts of the body via the bloodstream or the lymphatic system.
Insert Table 10-3 here
The edges are ragged, notched, or blurred
Color: Rather than uniform pigmentation, there are shades of tan, brown, and black, with possible dashes of red, white, and blue.
Diameter: The mole is larger than 6 mm (about the size of a pencil eraser). (The melanoma shown here is magnified about 20 times its actual size.)
Fig. 10-6, p. 286
A – asymmetry, one half doesn’t match the other half
B – border, the edges are ragged, notched, or blurred
C – color, not uniform in color, shades of tan, brown, & black w/ possible dashed of red, white and blue.
D – diameter, the mole is larger than 6mm (head of eraser on pencil)
E – elevation, mole is raised
BREAST CANCER – every 3 minutes a woman in U.S. learns she has breast cancer. Every 12 minutes a woman dies of breast cancer. Best tool = mammography at age 40. BSE 259
CERVICAL CANCER – highest incidence Vietnamese, Alaskan Native, Korean, Hispanic. The mortality rate for AA is twice that of whites because of high death rate among older black women.
Warning Signs - irregular bleeding or unusual vaginal discharge.
>Risk Factors: family history, personal history of breast cancer, obesity, infertility, and low levels of transferase (an enzyme involved in the metabolism of dairy foods).
>No obvious symptoms until advanced stages.
>3rd most common cancer and accounts for 10% of cancer deaths.
>Risks: over age 50, male, high fat or low fiber diet, inadequate intake of fruits and veggies, family history, smoking, alcohol consumption, prolonged high consumption of red and processed meat.
>Early signs are bleeding from rectum, blood in the stool, change in bowel habits.
LEUKEMIA (not in book)
LUNG CANCER (not in book)
DIABETES MELLITUS – a disease in which the body doesn’t produce or respond properly to insulin. P. 240
Treatment: type 1, injections, infusion pump, oral medication.
Type 2, balanced diet, exercise, and weight management.
ANEMIAS (not in book)
ARTHRITIS – inflammatory disease of the joints.
HERNIAS – a bulge of soft tissue that forces its way through or between strained or weakened muscles. Most common in abdomen.