population screening

• • Testing or examining individuals for non infectious diseases. Screening programs may be offered based on gender age or ethnic group or to individuals known to be at risk of inheriting or developing non infectious disease based on family or medical history
• • Screening involves simple tests to look for particular changes or early signs of disease before diseases has developed or symptoms aris→ provide early diagnosis for individuals
• • Newborn screening – blood tests to detect potentially serious medical conditions e.g PKU
• • Cancer screening e.g breast cervice prostate melanoma and bowel– detects early signs of cancer or indicators that person is at risk of developing cancer in future and in most cases the early detection increases chance of successful treatment