B7 - Non - communicable diseases

B7:

Non - communicable diseases

• Cant be passed on. 
• Risk factors - lifestyle, substances in persons body or environment linked to disease.
• E.g more ciggarets smoked = more chance of lung cancer or heart disease.

• Benign and Malignant tumours - abnormal uncontrolled cell devision.
• Benin - form in 1 place, dont move
• Malignant - cancerous,invade neighbouring tissues and can spread in blood, forming secondary tumours. 
• Lifestyle risk factors - smoking, obesity, UV exposure, genetic risk.

• Can cause cardiovascular disease - heart disease, lung cancer. 
• A fetus exposed to smoke - restricted exygen supply, premeture birth, low birth weight and stillbirth.

• Diet affects risk of cardiovascular disease through cholestorol levels and obesity.
• Exercise affects risk of cardiovascuklar disease.
• Obesity can lead to type 2 diabetes. 

• Can  cause cirrohosis of liver and liver cancer.
• Can cause brain damage and death. 
• Alcohol consumed by pregnant woman can affect babys development.